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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
#66BBE5
RGB Values
102, 187, 229
HSL Values
200°, 71%, 65%
CMYK Values
55%, 18%, 0%, 10%

Color Variations & Tints

  • #A8D8F0

    Lightness: 80%

  • #92CEED

    Lightness: 75%

  • #7CC5E9

    Lightness: 70%

  • #66BBE5

    Lightness: 65%

    Current color

  • #51B1E1

    Lightness: 60%

  • #3BA7DE

    Lightness: 55%

  • #259EDA

    Lightness: 50%

Accessibility

White Text
2.1
FAIL
Black Text
9.8
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 #66BBE5

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

Current: #66BBE5

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