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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
#3660EF
RGB Values
54, 96, 239
HSL Values
226°, 85%, 57%
CMYK Values
77%, 60%, 0%, 6%

Color Variations & Tints

  • #7B97F4

    Lightness: 72%

  • #6385F2

    Lightness: 67%

  • #4C72F0

    Lightness: 62%

  • #3660EF

    Lightness: 57%

    Current color

  • #1D4DED

    Lightness: 52%

  • #1242DE

    Lightness: 47%

  • #103BC6

    Lightness: 42%

Accessibility

White Text
5.2
PASS
Black Text
4.1
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 #3660EF

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

Current: #3660EF

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