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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
#221B13
RGB Values
34, 27, 19
HSL Values
32°, 28%, 10%
CMYK Values
0%, 21%, 44%, 87%

Color Variations & Tints

  • #52412E

    Lightness: 25%

  • #413425

    Lightness: 20%

  • #31271C

    Lightness: 15%

  • #221B13

    Lightness: 10%

    Current color

  • #100D09

    Lightness: 5%

  • #000000

    Lightness: 0%

  • #000000

    Lightness: 0%

Accessibility

White Text
17.0
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 #221B13

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

Current: #221B13

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