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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
#338CE2
RGB Values
51, 140, 226
HSL Values
209°, 75%, 54%
CMYK Values
77%, 38%, 0%, 11%

Color Variations & Tints

  • #75B2EB

    Lightness: 69%

  • #5EA5E8

    Lightness: 64%

  • #4899E5

    Lightness: 59%

  • #338CE2

    Lightness: 54%

    Current color

  • #1F80DB

    Lightness: 49%

  • #1C73C4

    Lightness: 44%

  • #1966AE

    Lightness: 39%

Accessibility

White Text
3.5
FAIL
Black Text
6.0
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 #338CE2

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

Current: #338CE2

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