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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
#644398
RGB Values
100, 67, 152
HSL Values
263°, 39%, 43%
CMYK Values
34%, 56%, 0%, 40%

Color Variations & Tints

  • #8A6ABE

    Lightness: 58%

  • #7C58B6

    Lightness: 53%

  • #6F4BAA

    Lightness: 48%

  • #644398

    Lightness: 43%

    Current color

  • #583B87

    Lightness: 38%

  • #4C3375

    Lightness: 33%

  • #412C63

    Lightness: 28%

Accessibility

White Text
7.5
PASS
Black Text
2.8
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 #644398

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

Current: #644398

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