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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
#515B55
RGB Values
81, 91, 85
HSL Values
144°, 6%, 34%
CMYK Values
11%, 0%, 7%, 64%

Color Variations & Tints

  • #75847B

    Lightness: 49%

  • #69776F

    Lightness: 44%

  • #5D6962

    Lightness: 39%

  • #515B55

    Lightness: 34%

    Current color

  • #464E49

    Lightness: 29%

  • #3A413C

    Lightness: 24%

  • #2E3330

    Lightness: 19%

Accessibility

White Text
7.1
PASS
Black Text
3.0
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 #515B55

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

Current: #515B55

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