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Colorbook
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Color Information

Blue

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#0D487E
RGB Values
13, 72, 126
HSL Values
209°, 81%, 27%
CMYK Values
90%, 43%, 0%, 51%

Color Variations & Tints

  • #146EC2

    Lightness: 42%

  • #1261AB

    Lightness: 37%

  • #105494

    Lightness: 32%

  • #0D487E

    Lightness: 27%

    Current color

  • #0B3A66

    Lightness: 22%

  • #082D4E

    Lightness: 17%

  • #061F37

    Lightness: 12%

Accessibility

White Text
9.4
PASS
Black Text
2.2
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 #0D487E

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

Current: #0D487E

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