Slate Blue and Black Color Palette for Tech Brands | ColorFly.design

Jet Black#111111

Slate Blue#3A5F7D

Medium Grayish Blue#6B778D

Light Gray Blue#9BA5B1

Pale Sky Gray#D3D8DF

Palette direction

Slate Blue Black Color Palette

This palette uses a bold black to convey strength and professionalism, balanced with a cool slate blue and a medium gray to provide depth and modernity. The support colors add subtle contrast and versatility while the neutrals ensure clarity and readability across all brand applications.

MonochromaticTechtechmodernprofessionalstrong

Desktop website

Slate Blue Black Color Palette

https://Colorfly.design

Tech color direction

Slate Blue Black Color Palette

This palette uses a bold black to convey strength and professionalism, balanced with a cool slate blue and a medium gray to provide depth and modernity. The support colors add subtle contrast and versatility while the neutrals ensure clarity and readability across all brand applications.

Explore the color system View examples Guidelines

Browser tab & favicon

Slate Blue Black Color Palette

https://Colorfly.design

16px source shown at 4x Favicon inspection

Check whether the symbol stays distinct before it reaches the browser tab.

Instagram post

colorfly

Logo color pairings

18.9:1

18.9:1

13.2:1

Logo pattern

Gradients

Mobile website

9:41

Tech Slate Blue Black Color Palette

The palette features a strong dominance of black paired with slate blue and medium gray, creating an analogous harmony with a modern, professional feel and clear visual hierarchy.

iPhone app icon

9:41

Wednesday, July 109:41

Email signature

New message

Tohello@client.com

SubjectColor direction and next steps

Hi Jordan,

Here is the refined color direction we discussed. The system is ready for review.

Avery StonePalette designeravery@colorfly.comhttps://Colorfly.design

Analytics system

Pie, bar, and trend charts reveal whether the palette can support clear, expressive product interfaces.

Audience split

Monthly growth

Trend line

Continue to Color Roles

Color Roles and Usage Map

Assign existing palette colors to brand, typography, and interface roles.

Brand identity

LogoUsed for logo marks and core brand symbols.Jet Black #111111

HeadlineUsed for main titles and key messages.Slate Blue #3A5F7D

LinkUsed for links and interactive text.Jet Black #111111

Buttons

Primary Button

Contrast18.88:1AA

BackgroundJet Black #111111

TextPure White #FFFFFF

Secondary Button

Contrast6.75:1AA

BackgroundSlate Blue #3A5F7D

TextPure White #FFFFFF

Outlined Button

Contrast13.18:1AA

BorderJet Black #111111

TextJet Black #111111

Interface

TextDefault readable body text.Dark Charcoal #1A1A1A

Bg LightLight page or section background.Pale Sky Gray #D3D8DF

Bg DarkDark page or section background.Light Gray Blue #9BA5B1

IconSmall interface icons and marks.Medium Grayish Blue #6B778D

BorderCards, inputs, and component borders.Medium Grayish Blue #6B778D

DividerSubtle separators between content.Medium Grayish Blue #6B778D

OutlineFocus rings and emphasis outlines.Medium Grayish Blue #6B778D

Continue to Color Specs

Print Color Values

CMYK values are calculated from HEX by default. Adjust them only when preparing print materials.

Screen colors stay unchanged.Manual CMYK edits are used in exports and handoff.

CMYK

Calculated CMYK

Jet BlackMain color - #111111

CMYK

Calculated CMYK

Slate BlueMain color - #3A5F7D

CMYK

Calculated CMYK

Medium Grayish BlueMain color - #6B778D

CMYK

Calculated CMYK

Light Gray BlueSupport color - #9BA5B1

CMYK

Calculated CMYK

Pale Sky GraySupport color - #D3D8DF

CMYK

Calculated CMYK

Pure WhiteNeutral color - #FFFFFF

CMYK

Calculated CMYK

Near WhiteNeutral color - #F7F8FA

CMYK

Calculated CMYK

Dark CharcoalNeutral color - #1A1A1A

Palette Colors

A compact view of the brand, support, and neutral colors that make up this system.

Main (Brand) Colors

The palette features a strong dominance of black paired with slate blue and medium gray, creating an analogous harmony with a modern, professional feel and clear visual hierarchy.

PrimaryJet Black

RolesLogo, Link, Btn Primary Bg, Btn Outlined Border, Btn Outlined Text

Jet Black provides a bold, authoritative base for the brand, evoking professionalism and confidence.

HEX#111111

RGB17, 17, 17

HSL0, 0, 7

CMYK0, 0, 0, 93

SecondarySlate Blue

RolesHeadline, Btn Secondary Bg

Slate Blue adds coolness and modernity, promoting trust and technological innovation.

HEX#3A5F7D

RGB58, 95, 125

HSL207, 37, 36

CMYK54, 24, 0, 51

TertiaryMedium Grayish Blue

RolesDivider, Icon, Border, Outline

Medium Grayish Blue offers depth and subtle accents that complement the strong main colors without overpowering.

HEX#6B778D

RGB107, 119, 141

HSL219, 14, 49

CMYK24, 16, 0, 45

Support Colors

The support colors extend the palette with softer and subdued tones that emphasize clarity and allow the main colors to remain dominant without competing visually.

Light Gray Blue

RolesBg Dark

Light Gray Blue provides soft background support and readable button text that merges well with slate and black tones.

HEX#9BA5B1

RGB155, 165, 177

HSL213, 12, 65

CMYK12, 7, 0, 31

Pale Sky Gray

RolesBg Light

Pale Sky Gray serves as a near-white neutral for backgrounds and ensures strong contrast for primary button text.

HEX#D3D8DF

RGB211, 216, 223

HSL215, 16, 85

CMYK5, 3, 0, 13

Neutral Colors

Utility colors for backgrounds, text, borders, and balance.

Pure White

RolesBtn Primary Text, Btn Secondary Text

HEX#FFFFFF

RGB255, 255, 255

HSL0, 0, 100

CMYK0, 0, 0, 0

Near White

HEX#F7F8FA

RGB247, 248, 250

HSL220, 23, 97

CMYK1, 1, 0, 2

Dark Charcoal

RolesText

HEX#1A1A1A

RGB26, 26, 26

HSL0, 0, 10

CMYK0, 0, 0, 90

Continue to Export

Export and Handoff

Copy palette values, role tokens, animated gradient snippets, and structured handoff data for websites, design systems, and client work.

Export logo in seconds

Click to copy and go to Logo Export on myLogo.review to export your logo files in seconds.

Use when: you want to send this palette into myLogo.review.

COLORFLY_PALETTE_V2
{
    "format": "colorfly_palette_v2",
    "source": "colorfly.design",
    "colors": [
        {
            "name": "Jet Black",
            "hex": "#111111",
            "role": "main",
            "cmyk": {
                "c": 0,
                "m": 0,
                "y": 0,
                "k": 93,
                "source": "colorfly"
            }
        },
        {
            "name": "Slate Blue",
            "hex": "#3A5F7D",
            "role": "main",
            "cmyk": {
                "c": 54,
                "m": 24,
                "y": 0,
                "k": 51,
                "source": "colorfly"
            }
        },
        {
            "name": "Medium Grayish Blue",
            "hex": "#6B778D",
            "role": "main",
            "cmyk": {
                "c": 24,
                "m": 16,
                "y": 0,
                "k": 45,
                "source": "colorfly"
            }
        },
        {
            "name": "Light Gray Blue",
            "hex": "#9BA5B1",
            "role": "support",
            "cmyk": {
                "c": 12,
                "m": 7,
                "y": 0,
                "k": 31,
                "source": "colorfly"
            }
        },
        {
            "name": "Pale Sky Gray",
            "hex": "#D3D8DF",
            "role": "support",
            "cmyk": {
                "c": 5,
                "m": 3,
                "y": 0,
                "k": 13,
                "source": "colorfly"
            }
        },
        {
            "name": "Pure White",
            "hex": "#FFFFFF",
            "role": "neutral",
            "cmyk": {
                "c": 0,
                "m": 0,
                "y": 0,
                "k": 0,
                "source": "colorfly"
            }
        },
        {
            "name": "Near White",
            "hex": "#F7F8FA",
            "role": "neutral",
            "cmyk": {
                "c": 1,
                "m": 1,
                "y": 0,
                "k": 2,
                "source": "colorfly"
            }
        },
        {
            "name": "Dark Charcoal",
            "hex": "#1A1A1A",
            "role": "neutral",
            "cmyk": {
                "c": 0,
                "m": 0,
                "y": 0,
                "k": 90,
                "source": "colorfly"
            }
        }
    ]
}
END_COLORFLY_PALETTE

Color tokens

Use these in CSS when you want every raw palette color available by name. Best for websites, landing pages, and design system variables.

Use when: you need the actual colors.

:root {
  --color-jet-black: #111111;
  --color-slate-blue: #3A5F7D;
  --color-medium-grayish-blue: #6B778D;
  --color-light-gray-blue: #9BA5B1;
  --color-pale-sky-gray: #D3D8DF;
  --color-pure-white: #FFFFFF;
  --color-near-white: #F7F8FA;
  --color-dark-charcoal: #1A1A1A;
}

Role tokens

Use these in CSS when colors are assigned to practical jobs like text, buttons, borders, links, and backgrounds.

Use when: you need UI roles, not just swatches.

:root {
  --role-logo: #111111;
  --role-link: #111111;
  --role-btn-primary-bg: #111111;
  --role-btn-outlined-border: #111111;
  --role-btn-outlined-text: #111111;
  --role-headline: #3A5F7D;
  --role-btn-secondary-bg: #3A5F7D;
  --role-divider: #6B778D;
  --role-icon: #6B778D;
  --role-border: #6B778D;
  --role-outline: #6B778D;
  --role-bg-dark: #9BA5B1;
  --role-bg-light: #D3D8DF;
  --role-btn-primary-text: #FFFFFF;
  --role-btn-secondary-text: #FFFFFF;
  --role-text: #1A1A1A;
}

JSON

Use this structured palette data in apps, generators, plugins, or tools that need to read the palette programmatically.

Use when: a developer or app needs data.

{
    "jet-black": "#111111",
    "slate-blue": "#3A5F7D",
    "medium-grayish-blue": "#6B778D",
    "light-gray-blue": "#9BA5B1",
    "pale-sky-gray": "#D3D8DF",
    "pure-white": "#FFFFFF",
    "near-white": "#F7F8FA",
    "dark-charcoal": "#1A1A1A"
}

Moving gradient background

Copy the animated radial gradient background from the visualizer, with this palette already applied.

Use when: you want the hero gradient effect.

<div class="colorfly-moving-gradient-bg">
  <span class="colorfly-gradient-spark" aria-hidden="true"></span>
  <div>
    <small>Motion gradient</small>
    <h2>Gradient background</h2>
    <p>A moving brand gradient built from your palette.</p>
  </div>
</div>

<style>
.colorfly-moving-gradient-bg {
  --gradient-anchor: #111111;
  --gradient-partner: #7C7C7C;
  --gradient-accent: #9BA5B1;
  --gradient-text: #FFFFFF;
  position: relative;
  display: grid;
  place-items: center;
  min-height: 340px;
  overflow: hidden;
  padding: 42px;
  color: var(--gradient-text);
  border-radius: 28px;
  background:
    radial-gradient(circle at 20% 82%, color-mix(in srgb, var(--gradient-accent) 48%, transparent) 0 14%, transparent 42%),
    radial-gradient(circle at 84% 18%, color-mix(in srgb, var(--gradient-partner) 52%, transparent) 0 16%, transparent 46%),
    linear-gradient(135deg, var(--gradient-anchor), color-mix(in srgb, var(--gradient-anchor) 72%, black 18%), var(--gradient-partner), var(--gradient-anchor));
  background-size: 160% 160%, 180% 180%, 240% 240%;
  animation: colorfly-gradient-bg 10.5s cubic-bezier(.72, 0, .22, 1) infinite;
}
.colorfly-moving-gradient-bg > div {
  position: relative;
  z-index: 1;
  max-width: 640px;
  text-align: center;
}
.colorfly-moving-gradient-bg::before,
.colorfly-moving-gradient-bg::after,
.colorfly-gradient-spark {
  content: "";
  position: absolute;
  z-index: 0;
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  mix-blend-mode: screen;
}
.colorfly-moving-gradient-bg::before {
  left: -10%;
  top: -18%;
  width: min(520px, 72%);
  background:
    radial-gradient(circle, color-mix(in srgb, var(--gradient-partner) 88%, white 8%) 0%, transparent 66%),
    radial-gradient(circle at 68% 32%, color-mix(in srgb, var(--gradient-accent) 58%, white 10%) 0%, transparent 38%);
  opacity: .86;
  animation: colorfly-gradient-orb-one 11s cubic-bezier(.65, 0, .22, 1) infinite;
}
.colorfly-moving-gradient-bg::after {
  right: -12%;
  bottom: -24%;
  width: min(620px, 82%);
  background:
    radial-gradient(circle, color-mix(in srgb, var(--gradient-accent) 86%, white 6%) 0%, transparent 68%),
    radial-gradient(circle at 28% 72%, color-mix(in srgb, var(--gradient-partner) 62%, white 8%) 0%, transparent 42%);
  opacity: .78;
  animation: colorfly-gradient-orb-two 12.8s cubic-bezier(.56, 0, .25, 1) infinite;
}
.colorfly-gradient-spark {
  left: 42%;
  top: 44%;
  width: min(360px, 54%);
  background: radial-gradient(circle, color-mix(in srgb, var(--gradient-anchor) 64%, white 12%) 0%, transparent 62%);
  opacity: .46;
  animation: colorfly-gradient-spark 9.2s cubic-bezier(.62, 0, .2, 1) infinite;
}
@keyframes colorfly-gradient-bg {
  0%, 100% { background-position: 0% 46%, 100% 24%, 0% 50%; }
  18% { background-position: 44% 88%, 58% 12%, 34% 22%; }
  39% { background-position: 86% 38%, 18% 74%, 86% 64%; }
  63% { background-position: 26% 16%, 84% 92%, 42% 100%; }
  82% { background-position: 68% 68%, 32% 30%, 100% 34%; }
}
@keyframes colorfly-gradient-orb-one {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  22% { transform: translate3d(78%, 22%, 0) scale(1.12); }
  47% { transform: translate3d(44%, 86%, 0) scale(.92); }
  72% { transform: translate3d(112%, 56%, 0) scale(1.2); }
}
@keyframes colorfly-gradient-orb-two {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1.08); }
  19% { transform: translate3d(-48%, -18%, 0) scale(.9); }
  53% { transform: translate3d(-92%, -62%, 0) scale(1.14); }
  79% { transform: translate3d(-22%, -86%, 0) scale(.98); }
}
@keyframes colorfly-gradient-spark {
  0%, 100% { transform: translate3d(-12%, -8%, 0) scale(.84); }
  28% { transform: translate3d(52%, -34%, 0) scale(1.08); }
  58% { transform: translate3d(-44%, 38%, 0) scale(.96); }
  84% { transform: translate3d(20%, 28%, 0) scale(1.18); }
}
</style>

Moving gradient text

Copy the animated gradient text treatment from the visualizer, generated from the main and support colors.

Use when: you want gradient headline text.

<div class="colorfly-gradient-text-card">
  <small>Gradient type</small>
  <h2>Gradient on text</h2>
  <p>A moving text gradient built from your palette.</p>
</div>

<style>
.colorfly-gradient-text-card {
  --gradient-text-a: #111111;
  --gradient-text-b: #7C7C7C;
  --gradient-text-c: #9BA5B1;
  position: relative;
  display: grid;
  place-items: center;
  min-height: 310px;
  overflow: hidden;
  padding: 42px;
  text-align: center;
  border-radius: 28px;
  background:
    radial-gradient(circle at 14% 18%, color-mix(in srgb, var(--gradient-text-a) 8%, transparent), transparent 28%),
    linear-gradient(135deg, #fff, #fbfbfd);
}
.colorfly-gradient-text-card::before,
.colorfly-gradient-text-card::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(2px);
}
.colorfly-gradient-text-card::before {
  left: 9%;
  top: 15%;
  width: min(330px, 48%);
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--gradient-text-a) 20%, transparent) 0%, transparent 68%);
  animation: colorfly-gradient-text-glow-one 8s cubic-bezier(.62, 0, .2, 1) infinite;
}
.colorfly-gradient-text-card::after {
  right: 7%;
  bottom: 6%;
  width: min(360px, 52%);
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--gradient-text-c) 18%, transparent) 0%, transparent 70%);
  animation: colorfly-gradient-text-glow-two 9.5s cubic-bezier(.56, 0, .25, 1) infinite;
}
.colorfly-gradient-text-card small,
.colorfly-gradient-text-card p {
  position: relative;
  z-index: 1;
  color: #65616d;
}
.colorfly-gradient-text-card h2 {
  position: relative;
  z-index: 1;
  margin: 10px 0 12px;
  color: transparent;
  font-size: clamp(42px, 8vw, 96px);
  line-height: .92;
  background:
    radial-gradient(circle at 18% 50%, var(--gradient-text-b) 0 12%, transparent 38%),
    radial-gradient(circle at 82% 44%, var(--gradient-text-c) 0 14%, transparent 40%),
    linear-gradient(100deg, var(--gradient-text-a), var(--gradient-text-b), var(--gradient-text-c), var(--gradient-text-a));
  background-size: 220% 220%, 240% 240%, 280% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: colorfly-gradient-text-shift 6.2s cubic-bezier(.68, 0, .22, 1) infinite;
}
@keyframes colorfly-gradient-text-shift {
  0%, 100% { background-position: 8% 52%, 92% 42%, 0% 50%; }
  27% { background-position: 78% 18%, 28% 82%, 42% 50%; }
  61% { background-position: 36% 92%, 86% 24%, 100% 50%; }
  84% { background-position: 92% 48%, 18% 40%, 58% 50%; }
}
@keyframes colorfly-gradient-text-glow-one {
  0%, 100% { transform: translate3d(0, 0, 0) scale(.92); }
  42% { transform: translate3d(80%, 32%, 0) scale(1.12); }
  72% { transform: translate3d(28%, 86%, 0) scale(.98); }
}
@keyframes colorfly-gradient-text-glow-two {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  36% { transform: translate3d(-62%, -18%, 0) scale(.9); }
  76% { transform: translate3d(-36%, -78%, 0) scale(1.12); }
}
</style>

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