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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
#670A06
RGB Values
103, 10, 6
HSL Values
2°, 89%, 21%
CMYK Values
0%, 90%, 94%, 60%

Color Variations & Tints

  • #AE100A

    Lightness: 36%

  • #950D09

    Lightness: 31%

  • #7D0B07

    Lightness: 26%

  • #670A06

    Lightness: 21%

    Current color

  • #4D0704

    Lightness: 16%

  • #350503

    Lightness: 11%

  • #1D0302

    Lightness: 6%

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 #670A06

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

Current: #670A06

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