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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
#65231B
RGB Values
101, 35, 27
HSL Values
6°, 58%, 25%
CMYK Values
0%, 65%, 73%, 60%

Color Variations & Tints

  • #A1372B

    Lightness: 40%

  • #8D3025

    Lightness: 35%

  • #792920

    Lightness: 30%

  • #65231B

    Lightness: 25%

    Current color

  • #511B15

    Lightness: 20%

  • #3C1510

    Lightness: 15%

  • #280E0B

    Lightness: 10%

Accessibility

White Text
11.6
PASS
Black Text
1.8
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 #65231B

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

Current: #65231B

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