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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
#0D30DE
RGB Values
13, 48, 222
HSL Values
230°, 89%, 46%
CMYK Values
94%, 78%, 0%, 13%

Color Variations & Tints

  • #4361F4

    Lightness: 61%

  • #2B4CF3

    Lightness: 56%

  • #1338F1

    Lightness: 51%

  • #0D30DE

    Lightness: 46%

    Current color

  • #0C2BC6

    Lightness: 41%

  • #0A25AE

    Lightness: 36%

  • #092095

    Lightness: 31%

Accessibility

White Text
8.4
PASS
Black Text
2.5
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 #0D30DE

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

Current: #0D30DE

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