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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
#81A1F3
RGB Values
129, 161, 243
HSL Values
223°, 83%, 73%
CMYK Values
47%, 34%, 0%, 5%

Color Variations & Tints

  • #C7D5FA

    Lightness: 88%

  • #B0C4F8

    Lightness: 83%

  • #98B3F5

    Lightness: 78%

  • #81A1F3

    Lightness: 73%

    Current color

  • #6A90F1

    Lightness: 68%

  • #527FEF

    Lightness: 63%

  • #3B6DED

    Lightness: 58%

Accessibility

White Text
2.5
FAIL
Black Text
8.3
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 #81A1F3

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

Current: #81A1F3

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