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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
#81B9FE
RGB Values
129, 185, 254
HSL Values
213°, 98%, 75%
CMYK Values
49%, 27%, 0%, 0%

Color Variations & Tints

  • #CDE3FE

    Lightness: 90%

  • #B3D5FE

    Lightness: 85%

  • #9AC7FE

    Lightness: 80%

  • #81B9FE

    Lightness: 75%

    Current color

  • #68ABFD

    Lightness: 70%

  • #4E9DFD

    Lightness: 65%

  • #358FFD

    Lightness: 60%

Accessibility

White Text
2.0
FAIL
Black Text
10.3
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 #81B9FE

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

Current: #81B9FE

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