/
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
#173912
RGB Values
23, 57, 18
HSL Values
112°, 52%, 15%
CMYK Values
60%, 0%, 68%, 78%

Color Variations & Tints

  • #2F7425

    Lightness: 30%

  • #27611F

    Lightness: 25%

  • #204E18

    Lightness: 20%

  • #173912

    Lightness: 15%

    Current color

  • #10270C

    Lightness: 10%

  • #081306

    Lightness: 5%

  • #000000

    Lightness: 0%

Accessibility

White Text
12.9
PASS
Black Text
1.6
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 #173912

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

Current: #173912

Discover More Colors

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