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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
#3648EB
RGB Values
54, 72, 235
HSL Values
234°, 82%, 57%
CMYK Values
77%, 69%, 0%, 8%

Color Variations & Tints

  • #7D89F2

    Lightness: 72%

  • #6674F0

    Lightness: 67%

  • #4F5FEE

    Lightness: 62%

  • #3648EB

    Lightness: 57%

    Current color

  • #2034E9

    Lightness: 52%

  • #1629DA

    Lightness: 47%

  • #1325C3

    Lightness: 42%

Accessibility

White Text
6.4
PASS
Black Text
3.3
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

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 #3648EB

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

Current: #3648EB

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