/
Colorbook
Sign in Sign up

Color Information

Gray

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

HEX Format
#637167
RGB Values
99, 113, 103
HSL Values
137°, 7%, 42%
CMYK Values
12%, 0%, 9%, 56%

Color Variations & Tints

  • #8A998E

    Lightness: 57%

  • #7C8D81

    Lightness: 52%

  • #6F8074

    Lightness: 47%

  • #637167

    Lightness: 42%

    Current color

  • #58655B

    Lightness: 37%

  • #4C574F

    Lightness: 32%

  • #404A43

    Lightness: 27%

Accessibility

White Text
5.1
PASS
Black Text
4.1
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 #637167

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

Current: #637167

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.