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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
#3379D8
RGB Values
51, 121, 216
HSL Values
215°, 68%, 52%
CMYK Values
76%, 44%, 0%, 15%

Color Variations & Tints

  • #72A1E4

    Lightness: 67%

  • #5C93E0

    Lightness: 62%

  • #4785DC

    Lightness: 57%

  • #3379D8

    Lightness: 52%

    Current color

  • #266AC9

    Lightness: 47%

  • #225FB4

    Lightness: 42%

  • #1E549F

    Lightness: 37%

Accessibility

White Text
4.3
FAIL
Black Text
4.9
PASS
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 #3379D8

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

Current: #3379D8

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