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Colorbook
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Color Information

Black

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

HEX Format
#123C42
RGB Values
18, 60, 66
HSL Values
188°, 57%, 16%
CMYK Values
73%, 9%, 0%, 74%

Color Variations & Tints

  • #22707C

    Lightness: 31%

  • #1D5E68

    Lightness: 26%

  • #174C54

    Lightness: 21%

  • #123C42

    Lightness: 16%

    Current color

  • #0C282C

    Lightness: 11%

  • #071618

    Lightness: 6%

  • #010404

    Lightness: 1%

Accessibility

White Text
12.0
PASS
Black Text
1.8
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 #123C42

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

Current: #123C42

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