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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
#8B271D
RGB Values
139, 39, 29
HSL Values
5°, 65%, 33%
CMYK Values
0%, 72%, 79%, 45%

Color Variations & Tints

  • #CA382B

    Lightness: 48%

  • #B53226

    Lightness: 43%

  • #A02C22

    Lightness: 38%

  • #8B271D

    Lightness: 33%

    Current color

  • #762119

    Lightness: 28%

  • #611B15

    Lightness: 23%

  • #4C1510

    Lightness: 18%

Accessibility

White Text
8.7
PASS
Black Text
2.4
FAIL
WCAG AA
PASS
WCAG AAA
PASS

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 #8B271D

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

Current: #8B271D

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