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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
#423959
RGB Values
66, 57, 89
HSL Values
257°, 22%, 29%
CMYK Values
26%, 36%, 0%, 65%

Color Variations & Tints

  • #665889

    Lightness: 44%

  • #5A4E79

    Lightness: 39%

  • #4E446A

    Lightness: 34%

  • #423959

    Lightness: 29%

    Current color

  • #37304B

    Lightness: 24%

  • #2C263B

    Lightness: 19%

  • #201C2C

    Lightness: 14%

Accessibility

White Text
10.7
PASS
Black Text
2.0
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 #423959

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

Current: #423959

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