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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
#90C5EB
RGB Values
144, 197, 235
HSL Values
205°, 69%, 74%
CMYK Values
39%, 16%, 0%, 8%

Color Variations & Tints

  • #D0E6F6

    Lightness: 89%

  • #BADBF2

    Lightness: 84%

  • #A5D0EE

    Lightness: 79%

  • #90C5EB

    Lightness: 74%

    Current color

  • #79B9E6

    Lightness: 69%

  • #64AEE3

    Lightness: 64%

  • #4EA2DF

    Lightness: 59%

Accessibility

White Text
1.8
FAIL
Black Text
11.4
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 #90C5EB

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

Current: #90C5EB

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