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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
#3499CF
RGB Values
52, 153, 207
HSL Values
201°, 62%, 51%
CMYK Values
75%, 26%, 0%, 19%

Color Variations & Tints

  • #73B8DE

    Lightness: 66%

  • #5EAED9

    Lightness: 61%

  • #49A4D4

    Lightness: 56%

  • #3499CF

    Lightness: 51%

    Current color

  • #2D8BBE

    Lightness: 46%

  • #287CA9

    Lightness: 41%

  • #236D95

    Lightness: 36%

Accessibility

White Text
3.2
FAIL
Black Text
6.6
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 #3499CF

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

Current: #3499CF

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