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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
#C9130A
RGB Values
201, 19, 10
HSL Values
3°, 91%, 41%
CMYK Values
0%, 91%, 95%, 21%

Color Variations & Tints

  • #F53329

    Lightness: 56%

  • #F41C10

    Lightness: 51%

  • #E0150B

    Lightness: 46%

  • #C9130A

    Lightness: 41%

    Current color

  • #AF1108

    Lightness: 36%

  • #970E07

    Lightness: 31%

  • #7F0C06

    Lightness: 26%

Accessibility

White Text
5.9
PASS
Black Text
3.6
FAIL
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 #C9130A

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

Current: #C9130A

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