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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
#3370CE
RGB Values
51, 112, 206
HSL Values
216°, 61%, 50%
CMYK Values
75%, 46%, 0%, 19%

Color Variations & Tints

  • #6F9BDC

    Lightness: 65%

  • #5B8DD7

    Lightness: 60%

  • #467ED2

    Lightness: 55%

  • #3370CE

    Lightness: 50%

    Current color

  • #2D65B9

    Lightness: 45%

  • #285AA4

    Lightness: 40%

  • #234E90

    Lightness: 35%

Accessibility

White Text
4.8
PASS
Black Text
4.3
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 #3370CE

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

Current: #3370CE

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