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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
#003552
RGB Values
0, 53, 82
HSL Values
201°, 100%, 16%
CMYK Values
100%, 35%, 0%, 68%

Color Variations & Tints

  • #00679E

    Lightness: 31%

  • #005685

    Lightness: 26%

  • #00466B

    Lightness: 21%

  • #003552

    Lightness: 16%

    Current color

  • #002438

    Lightness: 11%

  • #00141F

    Lightness: 6%

  • #000305

    Lightness: 1%

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 #003552

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

Current: #003552

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