/
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
#647C85
RGB Values
100, 124, 133
HSL Values
196°, 14%, 46%
CMYK Values
25%, 7%, 0%, 48%

Color Variations & Tints

  • #8EA2A9

    Lightness: 61%

  • #7F969F

    Lightness: 56%

  • #718A94

    Lightness: 51%

  • #647C85

    Lightness: 46%

    Current color

  • #5A6F77

    Lightness: 41%

  • #4F6269

    Lightness: 36%

  • #44545A

    Lightness: 31%

Accessibility

White Text
4.4
FAIL
Black Text
4.8
PASS
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 #647C85

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

Current: #647C85

Discover More Colors

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