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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
#02099C
RGB Values
2, 9, 156
HSL Values
237°, 97%, 31%
CMYK Values
99%, 94%, 0%, 39%

Color Variations & Tints

  • #040FE7

    Lightness: 46%

  • #030DCE

    Lightness: 41%

  • #030CB5

    Lightness: 36%

  • #02099C

    Lightness: 31%

    Current color

  • #020883

    Lightness: 26%

  • #020769

    Lightness: 21%

  • #010550

    Lightness: 16%

Accessibility

White Text
13.8
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 #02099C

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

Current: #02099C

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