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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
#183EEA
RGB Values
24, 62, 234
HSL Values
229°, 83%, 51%
CMYK Values
90%, 74%, 0%, 8%

Color Variations & Tints

  • #607BF0

    Lightness: 66%

  • #4967EE

    Lightness: 61%

  • #3254EC

    Lightness: 56%

  • #183EEA

    Lightness: 51%

    Current color

  • #1438D7

    Lightness: 46%

  • #1232BF

    Lightness: 41%

  • #102CA8

    Lightness: 36%

Accessibility

White Text
7.2
PASS
Black Text
2.9
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 #183EEA

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

Current: #183EEA

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