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
palette-preview.example
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
Logo contrast guide

Logo color pairings

ColorFly checks the palette colors against each other and suggests the clearest logo/background combinations.

Logo Pure White #FFFFFFon Jet Black #11111118.9:1 Excellent
Logo Pure White #FFFFFFon Medium Grayish Blue #6B778D4.5:1 Strong
Logo Jet Black #111111on Pure White #FFFFFF18.9:1 Excellent
Logo Jet Black #111111on Pale Sky Gray #D3D8DF13.2:1 Excellent
Icon color
BackgroundJet Black#111111TextPure White#FFFFFF
Primary Button18.88:1
AAA

Best for the main action users should notice first.

BackgroundSlate Blue#3A5F7DTextPure White#FFFFFF
Secondary Button6.75:1
AA

Useful for softer choices and secondary paths.

BackgroundPale Sky Gray#D3D8DFTextJet Black#111111
Outlined Button13.18:1
AAA

Good for lower-emphasis actions on light surfaces.

BackgroundPale Sky Gray#D3D8DFTextJet Black#111111
Text Button13.18:1
AAA

A quiet action for links, navigation, and inline decisions.

Palette composition8 colorsMonochromatic color relationship
9:41Slate Blue Black Color Palette Color role balance
Monochromatic system
60% DominantNeutrals

Backgrounds, large surfaces, whitespace, and reading comfort.

30% SecondarySupport colors

Sections, secondary UI, illustrations, and repeated brand moments.

10% AccentMain colors

High-attention moments like primary actions and memorable highlights.

CSlate Blue Black Color PaletteTech brand direction ColorFly.design
Strategic palette preview
Why it works

A usable
color system.

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.

Clear roles create a consistent brand experience.

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
BackgroundJet Black #111111
TextPure White #FFFFFF
Secondary Button
BackgroundSlate Blue #3A5F7D
TextPure White #FFFFFF
Outlined Button
BackgroundJet 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

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

Export and Handoff

Copy palette values for design systems, websites, and client handoff.

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"
}
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