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Colorbook
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Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#251103
RGB Values
37, 17, 3
HSL Values
25°, 85%, 8%
CMYK Values
0%, 54%, 92%, 85%

Color Variations & Tints

  • #6D3209

    Lightness: 23%

  • #552707

    Lightness: 18%

  • #3D1C05

    Lightness: 13%

  • #251103

    Lightness: 8%

    Current color

  • #0E0701

    Lightness: 3%

  • #000000

    Lightness: 0%

  • #000000

    Lightness: 0%

Accessibility

White Text
18.1
PASS
Black Text
1.2
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 #251103

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

Current: #251103

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