Is Slate 800 (#1E293B) accessible for digital body text?

Against a pure white background (#FFFFFF), #1E293B achieves a contrast ratio of 14.63:1 (Passing WCAG AA normal text). Against a dark slate background (#0F172A), it achieves a contrast ratio of 1.22:1 (Failing WCAG AA normal text).

Which color harmonies pair best with Slate 800?

The exact complementary color for #1E293B is #3A2F1D. For analogous pairings, use #1D363A and #201D3A. You can explore these combinations further in our Color Harmony Generator.

Color Directory/Slate 800

Slate 800 (#1E293B)

Q: What are the exact digital and print color codes for Slate 800 (#1E293B)?

Slate 800 has the HEX code #1E293B. In RGB color coordinates, its values are 30, 41, 59. In HSL, it is 217°, 33%, 17%. In CMYK print values, it corresponds to C:49% M:31% Y:0% K:77%.

Luminance: 2% · Nearest standard name: Slate 800

Generate Around This Color

SLATE 800

#1E293B

rgb(30, 41, 59) · hsl(217°, 33%, 17%)

HEX#1E293B

RGB30, 41, 59

HSL217°, 33%, 17%

HSV / HSB217°, 49%, 23%

CMYK (Print)49%, 31%, 0%, 77%

Color Harmonies

Complementary

#1E293B#3A2F1D

Analogous

#1D363A#1E293B#201D3A

Triadic

#1E293B#3A1D28#283A1D

Tints & Shades

Lighter Tints

Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)14.63:1

Sample text rendered with #1E293B on white

AA Normal: PASSAA Large: PASS

Against Dark (#0F172A)1.22:1

Sample text rendered with #1E293B 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 Slate 800 (#1E293B)

Slate 800 (#1E293B) is a distinct shade within the Blue chromatic spectrum. Characterized by an optical luminance of 2% 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#1E293B

RGB Space30, 41, 59

HSL Values217°, 33%, 17%

HSV / HSB217°, 49%, 23%

CMYK Ink49%, 31%, 0%, 77%

TemperatureCool

Optical Color Harmony Formulas for Slate 800

Geometric intervals calculated from #1E293B on the 360-degree color wheel.

Direct Polar (180°)#3A2F1D

Complementary Harmony

Pairs Slate 800 with its polar opposite (#3A2F1D) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#1D363A · #201D3A

Analogous Harmony

Positions adjacent neighboring hues on either side of Slate 800 for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#3A201D · #363A1D

Split-Complementary

Uses the two colors flanking the direct complement of Slate 800, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#3A1D28 · #283A1D

Triadic Harmony

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

Rectangular (90°)#3A1D36 · #3A2F1D · #1D3A20

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 800

Lock #1E293B inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Slate 800

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: High-Contrast Dark Canvas / Typographic Anchor (30% to 60% Volume)

With a deep, low lightness of 17%, Slate 800 (#1E293B) provides structural weight for primary headings, body copy, and dark mode background canvases, delivering superior readability against light elements.

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

This color projects authority, intelligence, and calm dependability. Universally trusted across enterprise software and fintech products.

Optimal Industry Verticals

Fintech, Enterprise SaaS, Healthcare, Cloud Infrastructure. Combining Slate 800 with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Slate 800

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

CSS Custom Properties (:root)Vanilla CSS

:root {
  --color-1e293b: #1E293B;
  --color-1e293b-rgb: 30, 41, 59;
  --color-1e293b-hsl: 217deg 33% 17%;
}

tailwind.config.jsTailwind CSS

module.exports = {
  theme: {
    extend: {
      colors: {
        '1e293b': '#1E293B',
      }
    }
  }
};

Explore Related Color Tools for Slate 800

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 Slate 800 against any background.

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Shades & Tints Scale

Generate a full 10-step tonal scale from 50 to 900 for Slate 800.

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CSS Gradient Generator

Create linear and radial gradients blending Slate 800 with complementary hues.

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Frequently Asked Questions About Slate 800 (#1E293B)

Authoritative answers covering Slate 800 color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Slate 800 (#1E293B)?

Slate 800 is defined by the HEX code #1E293B. Its digital screen RGB coordinates are R:30, G:41, B:59. Its cylindrical HSL values are Hue:217°, Saturation:33%, Lightness:17%. In HSV/HSB format, it is 217°, 49%, 23%. For four-color CMYK process printing, its ink percentages are C:49%, M:31%, Y:0%, K:77%.

Does Slate 800 (#1E293B) pass WCAG 2.2 accessibility standards for text readability?

Against a pure white (#FFFFFF) background, Slate 800 achieves a contrast ratio of 14.63:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 1.22:1 (Failing WCAG AA).

What is the direct complementary color for Slate 800 (#1E293B)?

The exact 180-degree optical complementary color for #1E293B is #3A2F1D. When placed side-by-side, #1E293B and #3A2F1D create maximum visual tension and high click-through conversion rates.

What is the recommended role for Slate 800 in the 60-30-10 UI design rule?

How can I copy and export Slate 800 into Tailwind CSS and CSS variables?

You can define Slate 800 in CSS custom properties as ':root { --color-custom: #1E293B; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Slate 800 using our interactive Color Palette Generator.

Which color family does Slate 800 (#1E293B) belong to?

Slate 800 belongs to the Blue family (Cool spectrum). You can explore full tonal ramps and curated palettes in our Blue Color Guide.