/
Colorbook
Sign in Sign up

Color Information

Black

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

HEX Format
#664943
RGB Values
102, 73, 67
HSL Values
10°, 21%, 33%
CMYK Values
0%, 28%, 34%, 60%

Color Variations & Tints

  • #946961

    Lightness: 48%

  • #855E57

    Lightness: 43%

  • #75534D

    Lightness: 38%

  • #664943

    Lightness: 33%

    Current color

  • #563D38

    Lightness: 28%

  • #47322E

    Lightness: 23%

  • #382724

    Lightness: 18%

Accessibility

White Text
8.1
PASS
Black Text
2.6
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 #664943

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

Current: #664943

Discover More Colors

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