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Color Directory/Slate Gray

Slate Gray (#708090)

Luminance: 21% · Nearest standard name: Slate Gray

Generate Around This Color
SLATE GRAY
#708090
rgb(112, 128, 144) · hsl(210°, 13%, 50%)
HEX#708090
RGB112, 128, 144
HSL210°, 13%, 50%
HSV / HSB210°, 22%, 56%
CMYK (Print)22%, 11%, 0%, 44%

Color Harmonies

Complementary

#708090#90806F

Analogous

#6F9090#708090#6F6F90

Triadic

#708090#906F80#80906F

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)4.05:1

Sample text rendered with #708090 on white

AA Normal: FAILAA Large: PASS
Against Dark (#0F172A)4.40:1

Sample text rendered with #708090 on dark

AA Normal: FAILAA Large: PASS

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Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Slate Gray (#708090)

Slate Gray (#708090) is a distinct shade within the Blue chromatic spectrum. Characterized by an optical luminance of 21% and a cool color temperature, this tone plays a vital role across web applications, brand identities, and editorial typography. Discover its mathematical harmonies, accessibility metrics, UI engineering roles, and front-end code tokens.

Technical Colorimetry & Coordinate Breakdown

Exact mathematical values across digital display, print press, and human perceptual spaces.

HEX Code#708090
RGB Space112, 128, 144
HSL Values210°, 13%, 50%
HSV / HSB210°, 22%, 56%
CMYK Ink22%, 11%, 0%, 44%
TemperatureCool

Optical Color Harmony Formulas for Slate Gray

Geometric intervals calculated from #708090 on the 360-degree color wheel.

Direct Polar (180°)#90806F

Complementary Harmony

Pairs Slate Gray with its polar opposite (#90806F) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#6F9090 · #6F6F90

Analogous Harmony

Positions adjacent neighboring hues on either side of Slate Gray for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#906F6F · #90906F

Split-Complementary

Uses the two colors flanking the direct complement of Slate Gray, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#906F80 · #80906F

Triadic Harmony

Forms an equilateral triangle on the color wheel, generating playful, dynamic energy when balanced against a neutral background.

Rectangular (90°)#906F90 · #90806F · #6F906F

Tetradic (Square) Harmony

A rich four-color scheme combining two complementary pairs, ideal for complex dashboards, gaming HUDs, and multi-tier charts.

Interactive Exploration

Build Palettes With Slate Gray

Lock #708090 inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Slate Gray

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Structural Surface & Border Tone (30% Volume)

Because of its muted, low-chroma saturation (13%), Slate Gray (#708090) excels as a secondary surface color for container cards, table borders, navigation sidebars, and divider strokes.

Light Mode SurfaceIdeal for buttons and badges
Dark Mode AdaptationDesaturate slightly for ambient glow
Tonal Expansion ScaleView 10-step design token ramp →

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

Provides timeless neutrality, structural balance, and minimalist sophistication. Eliminates chromatic noise so primary content and photography take center stage.

Optimal Industry Verticals

Editorial Publications, Minimalist Portfolios, Architecture, Hardware Engineering. Combining Slate Gray with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Slate Gray

Drop-in design system tokens for CSS, Tailwind CSS, and SCSS.

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-708090: #708090;
  --color-708090-rgb: 112, 128, 144;
  --color-708090-hsl: 210deg 13% 50%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        '708090': '#708090',
      }
    }
  }
};

Explore Related Color Tools for Slate Gray

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Slate Gray.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Slate Gray against any background.

Check Contrast

Shades & Tints Scale

Generate a full 10-step tonal scale from 50 to 900 for Slate Gray.

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Slate Gray with complementary hues.

Build Gradients

Frequently Asked Questions About Slate Gray (#708090)

Authoritative answers covering Slate Gray color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Slate Gray (#708090)?
Slate Gray is defined by the HEX code #708090. Its digital screen RGB coordinates are R:112, G:128, B:144. Its cylindrical HSL values are Hue:210°, Saturation:13%, Lightness:50%. In HSV/HSB format, it is 210°, 22%, 56%. For four-color CMYK process printing, its ink percentages are C:22%, M:11%, Y:0%, K:44%.
Does Slate Gray (#708090) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Slate Gray achieves a contrast ratio of 4.05:1 (Failing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 4.40:1 (Failing WCAG AA).
What is the direct complementary color for Slate Gray (#708090)?
The exact 180-degree optical complementary color for #708090 is #90806F. When placed side-by-side, #708090 and #90806F create maximum visual tension and high click-through conversion rates.
What is the recommended role for Slate Gray in the 60-30-10 UI design rule?
Because of its muted, low-chroma saturation (13%), Slate Gray (#708090) excels as a secondary surface color for container cards, table borders, navigation sidebars, and divider strokes.
How can I copy and export Slate Gray into Tailwind CSS and CSS variables?
You can define Slate Gray in CSS custom properties as ':root { --color-custom: #708090; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Slate Gray using our interactive Color Palette Generator.
Which color family does Slate Gray (#708090) belong to?
Slate Gray belongs to the Blue family (Cool spectrum). You can explore full tonal ramps and curated palettes in our Blue Color Guide.