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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
#A8311F
RGB Values
168, 49, 31
HSL Values
8°, 69%, 39%
CMYK Values
0%, 71%, 82%, 34%

Color Variations & Tints

  • #DB4E39

    Lightness: 54%

  • #D33E27

    Lightness: 49%

  • #BE3723

    Lightness: 44%

  • #A8311F

    Lightness: 39%

    Current color

  • #932B1B

    Lightness: 34%

  • #7D2517

    Lightness: 29%

  • #671E13

    Lightness: 24%

Accessibility

White Text
6.7
PASS
Black Text
3.1
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 #A8311F

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

Current: #A8311F

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