/
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
#15520A
RGB Values
21, 82, 10
HSL Values
111°, 78%, 18%
CMYK Values
74%, 0%, 88%, 68%

Color Variations & Tints

  • #269613

    Lightness: 33%

  • #207F10

    Lightness: 28%

  • #1B680D

    Lightness: 23%

  • #15520A

    Lightness: 18%

    Current color

  • #0F3B07

    Lightness: 13%

  • #092404

    Lightness: 8%

  • #030E02

    Lightness: 3%

Accessibility

White Text
9.4
PASS
Black Text
2.2
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 #15520A

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

Current: #15520A

Discover More Colors

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