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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
#87ACE3
RGB Values
135, 172, 227
HSL Values
216°, 62%, 71%
CMYK Values
41%, 24%, 0%, 11%

Color Variations & Tints

  • #C5D7F1

    Lightness: 86%

  • #B1C9ED

    Lightness: 81%

  • #9CBAE8

    Lightness: 76%

  • #87ACE3

    Lightness: 71%

    Current color

  • #739EDE

    Lightness: 66%

  • #5E8FD9

    Lightness: 61%

  • #4981D4

    Lightness: 56%

Accessibility

White Text
2.3
FAIL
Black Text
9.0
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 #87ACE3

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

Current: #87ACE3

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