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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
#138BA0
RGB Values
19, 139, 160
HSL Values
189°, 79%, 35%
CMYK Values
88%, 13%, 0%, 37%

Color Variations & Tints

  • #1BC6E4

    Lightness: 50%

  • #18B2CD

    Lightness: 45%

  • #159EB7

    Lightness: 40%

  • #138BA0

    Lightness: 35%

    Current color

  • #107789

    Lightness: 30%

  • #0D6372

    Lightness: 25%

  • #0B4F5B

    Lightness: 20%

Accessibility

White Text
4.0
FAIL
Black Text
5.2
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 #138BA0

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

Current: #138BA0

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