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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
#AD110A
RGB Values
173, 17, 10
HSL Values
3°, 89%, 36%
CMYK Values
0%, 90%, 94%, 32%

Color Variations & Tints

  • #F11E13

    Lightness: 51%

  • #DE170D

    Lightness: 46%

  • #C6150C

    Lightness: 41%

  • #AD110A

    Lightness: 36%

    Current color

  • #951009

    Lightness: 31%

  • #7D0D07

    Lightness: 26%

  • #650B06

    Lightness: 21%

Accessibility

White Text
7.3
PASS
Black Text
2.9
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 #AD110A

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

Current: #AD110A

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