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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
#0D283B
RGB Values
13, 40, 59
HSL Values
205°, 64%, 14%
CMYK Values
78%, 32%, 0%, 77%

Color Variations & Tints

  • #1B5279

    Lightness: 29%

  • #164464

    Lightness: 24%

  • #11364F

    Lightness: 19%

  • #0D283B

    Lightness: 14%

    Current color

  • #081926

    Lightness: 9%

  • #040B11

    Lightness: 4%

  • #000000

    Lightness: 0%

Accessibility

White Text
15.2
PASS
Black Text
1.4
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 #0D283B

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

Current: #0D283B

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