Color Directory/Slate 200

Slate 200 (#E2E8F0)

Luminance: 80% · Nearest standard name: Slate 200

SLATE 200
#E2E8F0
rgb(226, 232, 240) · hsl(214°, 32%, 91%)
HEX#E2E8F0
RGB226, 232, 240
HSL214°, 32%, 91%
HSV / HSB214°, 6%, 94%
CMYK (Print)6%, 3%, 0%, 6%

Color Harmonies

Complementary

#E2E8F0#EFE9E1

Analogous

#E1EEEF#E2E8F0#E2E1EF

Triadic

#E2E8F0#EFE1E7#E7EFE1

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)1.23:1

Sample text rendered with #E2E8F0 on white

AA Normal: FAILAA Large: FAIL
Against Dark (#0F172A)14.48:1

Sample text rendered with #E2E8F0 on dark

AA Normal: PASSAA Large: PASS
Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Slate 200 (#E2E8F0)

Slate 200 (#E2E8F0) is a distinct shade within the Blue chromatic spectrum. Characterized by an optical luminance of 80% 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#E2E8F0
RGB Space226, 232, 240
HSL Values214°, 32%, 91%
HSV / HSB214°, 6%, 94%
CMYK Ink6%, 3%, 0%, 6%
TemperatureCool

Optical Color Harmony Formulas for Slate 200

Geometric intervals calculated from #E2E8F0 on the 360-degree color wheel.

Direct Polar (180°)#EFE9E1

Complementary Harmony

Pairs Slate 200 with its polar opposite (#EFE9E1) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#E1EEEF · #E2E1EF

Analogous Harmony

Positions adjacent neighboring hues on either side of Slate 200 for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#EFE2E1 · #EEEFE1

Split-Complementary

Uses the two colors flanking the direct complement of Slate 200, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#EFE1E7 · #E7EFE1

Triadic Harmony

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

Rectangular (90°)#EFE1EE · #EFE9E1 · #E1EFE2

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 200

Lock #E2E8F0 inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Slate 200

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Dominant Background Canvas (60% Volume)

With an exceptionally high lightness of 91%, Slate 200 (#E2E8F0) serves as a clean, soft canvas surface. It provides ample negative space for dark typography without the harsh ocular glare of stark pure white.

Light Mode SurfaceOptimal canvas surface
Dark Mode AdaptationDesaturate slightly for ambient glow

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 200 with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Slate 200

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

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-e2e8f0: #E2E8F0;
  --color-e2e8f0-rgb: 226, 232, 240;
  --color-e2e8f0-hsl: 214deg 32% 91%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        'e2e8f0': '#E2E8F0',
      }
    }
  }
};

Frequently Asked Questions About Slate 200 (#E2E8F0)

Authoritative answers covering Slate 200 color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Slate 200 (#E2E8F0)?
Slate 200 is defined by the HEX code #E2E8F0. Its digital screen RGB coordinates are R:226, G:232, B:240. Its cylindrical HSL values are Hue:214°, Saturation:32%, Lightness:91%. In HSV/HSB format, it is 214°, 6%, 94%. For four-color CMYK process printing, its ink percentages are C:6%, M:3%, Y:0%, K:6%.
Does Slate 200 (#E2E8F0) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Slate 200 achieves a contrast ratio of 1.23:1 (Failing WCAG AA for normal body text, and Failing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 14.48:1 (Passing WCAG AA).
What is the direct complementary color for Slate 200 (#E2E8F0)?
The exact 180-degree optical complementary color for #E2E8F0 is #EFE9E1. When placed side-by-side, #E2E8F0 and #EFE9E1 create maximum visual tension and high click-through conversion rates.
What is the recommended role for Slate 200 in the 60-30-10 UI design rule?
With an exceptionally high lightness of 91%, Slate 200 (#E2E8F0) serves as a clean, soft canvas surface. It provides ample negative space for dark typography without the harsh ocular glare of stark pure white.
How can I copy and export Slate 200 into Tailwind CSS and CSS variables?
You can define Slate 200 in CSS custom properties as ':root { --color-custom: #E2E8F0; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Slate 200 using our interactive Color Palette Generator.
Which color family does Slate 200 (#E2E8F0) belong to?
Slate 200 belongs to the Blue family (Cool spectrum). You can explore full tonal ramps and curated palettes in our Blue Color Guide.