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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
#423839
RGB Values
66, 56, 57
HSL Values
354°, 8%, 24%
CMYK Values
0%, 15%, 14%, 74%

Color Variations & Tints

  • #6B5B5D

    Lightness: 39%

  • #5E5051

    Lightness: 34%

  • #504445

    Lightness: 29%

  • #423839

    Lightness: 24%

    Current color

  • #342D2D

    Lightness: 19%

  • #272121

    Lightness: 14%

  • #191515

    Lightness: 9%

Accessibility

White Text
11.3
PASS
Black Text
1.9
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 #423839

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

Current: #423839

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