/
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
#0B3C3C
RGB Values
11, 60, 60
HSL Values
180°, 69%, 14%
CMYK Values
82%, 0%, 0%, 76%

Color Variations & Tints

  • #177D7D

    Lightness: 29%

  • #136767

    Lightness: 24%

  • #0F5252

    Lightness: 19%

  • #0B3C3C

    Lightness: 14%

    Current color

  • #072727

    Lightness: 9%

  • #031111

    Lightness: 4%

  • #000000

    Lightness: 0%

Accessibility

White Text
12.2
PASS
Black Text
1.7
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 #0B3C3C

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

Current: #0B3C3C

Discover More Colors

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