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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
#B581EE
RGB Values
181, 129, 238
HSL Values
269°, 76%, 72%
CMYK Values
24%, 46%, 0%, 7%

Color Variations & Tints

  • #DDC5F7

    Lightness: 87%

  • #D0AEF4

    Lightness: 82%

  • #C398F1

    Lightness: 77%

  • #B581EE

    Lightness: 72%

    Current color

  • #A96BEB

    Lightness: 67%

  • #9C54E8

    Lightness: 62%

  • #8F3EE5

    Lightness: 57%

Accessibility

White Text
2.9
FAIL
Black Text
7.3
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 #B581EE

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

Current: #B581EE

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