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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
#283046
RGB Values
40, 48, 70
HSL Values
224°, 27%, 22%
CMYK Values
43%, 31%, 0%, 73%

Color Variations & Tints

  • #455278

    Lightness: 37%

  • #3C4768

    Lightness: 32%

  • #323C57

    Lightness: 27%

  • #283046

    Lightness: 22%

    Current color

  • #202637

    Lightness: 17%

  • #161B27

    Lightness: 12%

  • #0D1017

    Lightness: 7%

Accessibility

White Text
13.1
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 #283046

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

Current: #283046

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