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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
#0B1638
RGB Values
11, 22, 56
HSL Values
225°, 67%, 13%
CMYK Values
80%, 61%, 0%, 78%

Color Variations & Tints

  • #182F77

    Lightness: 28%

  • #132762

    Lightness: 23%

  • #0F1F4D

    Lightness: 18%

  • #0B1638

    Lightness: 13%

    Current color

  • #070E22

    Lightness: 8%

  • #03050D

    Lightness: 3%

  • #000000

    Lightness: 0%

Accessibility

White Text
17.7
PASS
Black Text
1.2
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 #0B1638

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

Current: #0B1638

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