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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
#72150D
RGB Values
114, 21, 13
HSL Values
5°, 80%, 25%
CMYK Values
0%, 82%, 89%, 55%

Color Variations & Tints

  • #B82214

    Lightness: 40%

  • #A11E12

    Lightness: 35%

  • #8A1A0F

    Lightness: 30%

  • #72150D

    Lightness: 25%

    Current color

  • #5C110A

    Lightness: 20%

  • #450D08

    Lightness: 15%

  • #2E0905

    Lightness: 10%

Accessibility

White Text
11.5
PASS
Black Text
1.8
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 #72150D

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

Current: #72150D

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