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Colorbook
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Color Information

Cyan

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#28D9E8
RGB Values
40, 217, 232
HSL Values
185°, 81%, 53%
CMYK Values
83%, 6%, 0%, 9%

Color Variations & Tints

  • #6BE4EF

    Lightness: 68%

  • #54E0ED

    Lightness: 63%

  • #3DDCEB

    Lightness: 58%

  • #28D9E8

    Lightness: 53%

    Current color

  • #17CDDE

    Lightness: 48%

  • #15B8C6

    Lightness: 43%

  • #12A2AF

    Lightness: 38%

Accessibility

White Text
1.7
FAIL
Black Text
12.2
PASS
WCAG AA
PASS
WCAG AAA
PASS

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 #28D9E8

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

Current: #28D9E8

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