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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
#91C4ED
RGB Values
145, 196, 237
HSL Values
207°, 72%, 75%
CMYK Values
39%, 17%, 0%, 7%

Color Variations & Tints

  • #D3E7F8

    Lightness: 90%

  • #BDDCF4

    Lightness: 85%

  • #A7D0F1

    Lightness: 80%

  • #91C4ED

    Lightness: 75%

    Current color

  • #7BB8EA

    Lightness: 70%

  • #65ACE6

    Lightness: 65%

  • #50A0E2

    Lightness: 60%

Accessibility

White Text
1.9
FAIL
Black Text
11.3
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 #91C4ED

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

Current: #91C4ED

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