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Colorbook
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Color Information

Gray

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

HEX Format
#646659
RGB Values
100, 102, 89
HSL Values
69°, 7%, 37%
CMYK Values
2%, 0%, 13%, 60%

Color Variations & Tints

  • #8B8D7C

    Lightness: 52%

  • #7E806F

    Lightness: 47%

  • #707364

    Lightness: 42%

  • #646659

    Lightness: 37%

    Current color

  • #56574C

    Lightness: 32%

  • #484A40

    Lightness: 27%

  • #3B3C34

    Lightness: 22%

Accessibility

White Text
5.9
PASS
Black Text
3.6
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

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 #646659

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

Current: #646659

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