Is Dark Slate Gray (#2F4F4F) accessible for digital body text?

Against a pure white background (#FFFFFF), #2F4F4F achieves a contrast ratio of 8.93:1 (Passing WCAG AA normal text). Against a dark slate background (#0F172A), it achieves a contrast ratio of 2.00:1 (Failing WCAG AA normal text).

Which color harmonies pair best with Dark Slate Gray?

The exact complementary color for #2F4F4F is #503030. For analogous pairings, use #305040 and #304050. You can explore these combinations further in our Color Harmony Generator.

Color Directory/Dark Slate Gray

Dark Slate Gray (#2F4F4F)

Q: What are the exact digital and print color codes for Dark Slate Gray (#2F4F4F)?

Dark Slate Gray has the HEX code #2F4F4F. In RGB color coordinates, its values are 47, 79, 79. In HSL, it is 180°, 25%, 25%. In CMYK print values, it corresponds to C:41% M:0% Y:0% K:69%.

Luminance: 7% · Nearest standard name: Dark Slate Gray

Generate Around This Color

DARK SLATE GRAY

#2F4F4F

rgb(47, 79, 79) · hsl(180°, 25%, 25%)

HEX#2F4F4F

RGB47, 79, 79

HSL180°, 25%, 25%

HSV / HSB180°, 41%, 31%

CMYK (Print)41%, 0%, 0%, 69%

Color Harmonies

Complementary

#2F4F4F#503030

Analogous

#305040#2F4F4F#304050

Triadic

#2F4F4F#503050#505030

Tints & Shades

Lighter Tints

Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)8.93:1

Sample text rendered with #2F4F4F on white

AA Normal: PASSAA Large: PASS

Against Dark (#0F172A)2.00:1

Sample text rendered with #2F4F4F on dark

AA Normal: FAILAA Large: FAIL

Palettes Featuring Similar Tones

cp-featured-01Technology

TechModernCool

cp-featured-02Sunset

SunsetGradientCreative

cp-featured-03Vintage

VintageRetroWarm

cp-featured-04Gaming

Cyber Glitch Protocol

GamingFuturisticNeon

Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Dark Slate Gray (#2F4F4F)

Dark Slate Gray (#2F4F4F) is a distinct shade within the Cyan chromatic spectrum. Characterized by an optical luminance of 7% 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#2F4F4F

RGB Space47, 79, 79

HSL Values180°, 25%, 25%

HSV / HSB180°, 41%, 31%

CMYK Ink41%, 0%, 0%, 69%

TemperatureCool

Optical Color Harmony Formulas for Dark Slate Gray

Geometric intervals calculated from #2F4F4F on the 360-degree color wheel.

Direct Polar (180°)#503030

Complementary Harmony

Pairs Dark Slate Gray with its polar opposite (#503030) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#305040 · #304050

Analogous Harmony

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

Split Angles (150° / 210°)#503040 · #504030

Split-Complementary

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

Triangular (120°)#503050 · #505030

Triadic Harmony

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

Rectangular (90°)#403050 · #503030 · #405030

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 Dark Slate Gray

Lock #2F4F4F inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

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

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Interactive Brand Accent (10% Volume)

With a saturation of 25% and lightness of 25%, Dark Slate Gray (#2F4F4F) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.

Light Mode SurfaceIdeal for buttons and badges

Dark Mode AdaptationOptimal dark canvas backdrop

Tonal Expansion ScaleView 10-step design token ramp →

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

Blends the freshness of green with the serene trust of blue. Inspires crisp clarity, modern innovation, and refreshing agility.

Optimal Industry Verticals

Bio-Tech, Digital Telecommunications, Modern SaaS, Productivity Apps. Combining Dark Slate Gray with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Dark Slate Gray

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

CSS Custom Properties (:root)Vanilla CSS

:root {
  --color-2f4f4f: #2F4F4F;
  --color-2f4f4f-rgb: 47, 79, 79;
  --color-2f4f4f-hsl: 180deg 25% 25%;
}

tailwind.config.jsTailwind CSS

module.exports = {
  theme: {
    extend: {
      colors: {
        '2f4f4f': '#2F4F4F',
      }
    }
  }
};

Explore Related Color Tools for Dark Slate Gray

Continue developing your color system with specialized design tools.

Palette Generator

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WCAG Contrast Checker

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

Check Contrast

Shades & Tints Scale

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

Expand Scale

CSS Gradient Generator

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

Build Gradients

Frequently Asked Questions About Dark Slate Gray (#2F4F4F)

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

What are the exact digital and print color codes for Dark Slate Gray (#2F4F4F)?

Dark Slate Gray is defined by the HEX code #2F4F4F. Its digital screen RGB coordinates are R:47, G:79, B:79. Its cylindrical HSL values are Hue:180°, Saturation:25%, Lightness:25%. In HSV/HSB format, it is 180°, 41%, 31%. For four-color CMYK process printing, its ink percentages are C:41%, M:0%, Y:0%, K:69%.

Does Dark Slate Gray (#2F4F4F) pass WCAG 2.2 accessibility standards for text readability?

Against a pure white (#FFFFFF) background, Dark Slate Gray achieves a contrast ratio of 8.93:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 2.00:1 (Failing WCAG AA).

What is the direct complementary color for Dark Slate Gray (#2F4F4F)?

The exact 180-degree optical complementary color for #2F4F4F is #503030. When placed side-by-side, #2F4F4F and #503030 create maximum visual tension and high click-through conversion rates.

What is the recommended role for Dark Slate Gray in the 60-30-10 UI design rule?

How can I copy and export Dark Slate Gray into Tailwind CSS and CSS variables?

You can define Dark Slate Gray in CSS custom properties as ':root { --color-custom: #2F4F4F; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Dark Slate Gray using our interactive Color Palette Generator.

Which color family does Dark Slate Gray (#2F4F4F) belong to?

Dark Slate Gray belongs to the Cyan family (Cool spectrum). You can explore full tonal ramps and curated palettes in our Cyan Color Guide.