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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
#286458
RGB Values
40, 100, 88
HSL Values
168°, 43%, 27%
CMYK Values
60%, 0%, 12%, 61%

Color Variations & Tints

  • #3D9987

    Lightness: 42%

  • #368777

    Lightness: 37%

  • #2F7567

    Lightness: 32%

  • #286458

    Lightness: 27%

    Current color

  • #205047

    Lightness: 22%

  • #193E37

    Lightness: 17%

  • #112C26

    Lightness: 12%

Accessibility

White Text
6.9
PASS
Black Text
3.1
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

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 #286458

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

Current: #286458

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