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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
#663864
RGB Values
102, 56, 100
HSL Values
303°, 29%, 31%
CMYK Values
0%, 45%, 2%, 60%

Color Variations & Tints

  • #975394

    Lightness: 46%

  • #874A84

    Lightness: 41%

  • #764174

    Lightness: 36%

  • #663864

    Lightness: 31%

    Current color

  • #562F54

    Lightness: 26%

  • #452644

    Lightness: 21%

  • #351D33

    Lightness: 16%

Accessibility

White Text
9.1
PASS
Black Text
2.3
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 #663864

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

Current: #663864

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