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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
#5A1B10
RGB Values
90, 27, 16
HSL Values
9°, 70%, 21%
CMYK Values
0%, 70%, 82%, 65%

Color Variations & Tints

  • #9C2F1C

    Lightness: 36%

  • #862818

    Lightness: 31%

  • #712214

    Lightness: 26%

  • #5A1B10

    Lightness: 21%

    Current color

  • #45150C

    Lightness: 16%

  • #300E08

    Lightness: 11%

  • #1A0805

    Lightness: 6%

Accessibility

White Text
13.1
PASS
Black Text
1.6
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 #5A1B10

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

Current: #5A1B10

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