/
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
#51521F
RGB Values
81, 82, 31
HSL Values
61°, 45%, 22%
CMYK Values
1%, 0%, 62%, 68%

Color Variations & Tints

  • #878934

    Lightness: 37%

  • #75762D

    Lightness: 32%

  • #636426

    Lightness: 27%

  • #51521F

    Lightness: 22%

    Current color

  • #3E3F18

    Lightness: 17%

  • #2C2C11

    Lightness: 12%

  • #1A1A0A

    Lightness: 7%

Accessibility

White Text
8.2
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 #51521F

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

Current: #51521F

Discover More Colors

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