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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
#ADCFEF
RGB Values
173, 207, 239
HSL Values
209°, 67%, 81%
CMYK Values
28%, 13%, 0%, 6%

Color Variations & Tints

  • #EEF5FC

    Lightness: 96%

  • #D9E9F7

    Lightness: 91%

  • #C3DCF3

    Lightness: 86%

  • #ADCFEF

    Lightness: 81%

    Current color

  • #99C3EB

    Lightness: 76%

  • #84B7E7

    Lightness: 71%

  • #6EAAE2

    Lightness: 66%

Accessibility

White Text
1.6
FAIL
Black Text
12.9
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 #ADCFEF

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

Current: #ADCFEF

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