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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
#664E79
RGB Values
102, 78, 121
HSL Values
273°, 22%, 39%
CMYK Values
16%, 36%, 0%, 53%

Color Variations & Tints

  • #8C70A4

    Lightness: 54%

  • #806198

    Lightness: 49%

  • #735889

    Lightness: 44%

  • #664E79

    Lightness: 39%

    Current color

  • #59446A

    Lightness: 34%

  • #4C3A5A

    Lightness: 29%

  • #3F304B

    Lightness: 24%

Accessibility

White Text
7.2
PASS
Black Text
2.9
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 #664E79

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

Current: #664E79

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