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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
#425A4C
RGB Values
66, 90, 76
HSL Values
145°, 15%, 31%
CMYK Values
27%, 0%, 16%, 65%

Color Variations & Tints

  • #648772

    Lightness: 46%

  • #597866

    Lightness: 41%

  • #4E6A5A

    Lightness: 36%

  • #425A4C

    Lightness: 31%

    Current color

  • #384C41

    Lightness: 26%

  • #2E3E34

    Lightness: 21%

  • #232F28

    Lightness: 16%

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 #425A4C

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

Current: #425A4C

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