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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
#152D41
RGB Values
21, 45, 65
HSL Values
207°, 51%, 17%
CMYK Values
68%, 31%, 0%, 75%

Color Variations & Tints

  • #28567B

    Lightness: 32%

  • #224868

    Lightness: 27%

  • #1B3B55

    Lightness: 22%

  • #152D41

    Lightness: 17%

    Current color

  • #0F202E

    Lightness: 12%

  • #09131B

    Lightness: 7%

  • #020508

    Lightness: 2%

Accessibility

White Text
14.2
PASS
Black Text
1.5
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 #152D41

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

Current: #152D41

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