/
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
#425153
RGB Values
66, 81, 83
HSL Values
187°, 11%, 29%
CMYK Values
20%, 2%, 0%, 67%

Color Variations & Tints

  • #647A7D

    Lightness: 44%

  • #596C6E

    Lightness: 39%

  • #4D5E60

    Lightness: 34%

  • #425153

    Lightness: 29%

    Current color

  • #364244

    Lightness: 24%

  • #2B3536

    Lightness: 19%

  • #202728

    Lightness: 14%

Accessibility

White Text
8.3
PASS
Black Text
2.5
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 #425153

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

Current: #425153

Discover More Colors

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