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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
#65100B
RGB Values
101, 16, 11
HSL Values
3°, 80%, 22%
CMYK Values
0%, 84%, 89%, 60%

Color Variations & Tints

  • #AA1A13

    Lightness: 37%

  • #931710

    Lightness: 32%

  • #7C130E

    Lightness: 27%

  • #65100B

    Lightness: 22%

    Current color

  • #4E0C09

    Lightness: 17%

  • #370906

    Lightness: 12%

  • #200504

    Lightness: 7%

Accessibility

White Text
12.9
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 #65100B

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

Current: #65100B

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