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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
#831B08
RGB Values
131, 27, 8
HSL Values
9°, 88%, 27%
CMYK Values
0%, 79%, 94%, 49%

Color Variations & Tints

  • #C9290D

    Lightness: 42%

  • #B1240B

    Lightness: 37%

  • #991F0A

    Lightness: 32%

  • #831B08

    Lightness: 27%

    Current color

  • #691607

    Lightness: 22%

  • #511105

    Lightness: 17%

  • #3A0C04

    Lightness: 12%

Accessibility

White Text
9.9
PASS
Black Text
2.1
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 #831B08

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

Current: #831B08

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