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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
#91CFF8
RGB Values
145, 207, 248
HSL Values
204°, 88%, 77%
CMYK Values
42%, 17%, 0%, 3%

Color Variations & Tints

  • #D9EEFD

    Lightness: 92%

  • #C1E4FB

    Lightness: 87%

  • #A9D9F9

    Lightness: 82%

  • #91CFF8

    Lightness: 77%

    Current color

  • #79C4F6

    Lightness: 72%

  • #61BAF5

    Lightness: 67%

  • #49AFF3

    Lightness: 62%

Accessibility

White Text
1.7
FAIL
Black Text
12.5
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 #91CFF8

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

Current: #91CFF8

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