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Colorbook
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Color Information

Red

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#E03431
RGB Values
224, 52, 49
HSL Values
1°, 74%, 54%
CMYK Values
0%, 77%, 78%, 12%

Color Variations & Tints

  • #EA7775

    Lightness: 69%

  • #E7625F

    Lightness: 64%

  • #E44C49

    Lightness: 59%

  • #E03431

    Lightness: 54%

    Current color

  • #D92420

    Lightness: 49%

  • #C3201D

    Lightness: 44%

  • #AD1C1A

    Lightness: 39%

Accessibility

White Text
4.5
FAIL
Black Text
4.7
PASS
WCAG AA
PASS
WCAG AAA
FAIL

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #E03431

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #E03431

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