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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
#87C8EE
RGB Values
135, 200, 238
HSL Values
202°, 75%, 73%
CMYK Values
43%, 16%, 0%, 7%

Color Variations & Tints

  • #C9E7F7

    Lightness: 88%

  • #B3DCF4

    Lightness: 83%

  • #9DD2F1

    Lightness: 78%

  • #87C8EE

    Lightness: 73%

    Current color

  • #70BEEB

    Lightness: 68%

  • #5AB4E7

    Lightness: 63%

  • #44A9E4

    Lightness: 58%

Accessibility

White Text
1.8
FAIL
Black Text
11.5
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 #87C8EE

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

Current: #87C8EE

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