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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
#661DD3
RGB Values
102, 29, 211
HSL Values
264°, 76%, 47%
CMYK Values
52%, 86%, 0%, 17%

Color Variations & Tints

  • #8F54E8

    Lightness: 62%

  • #813EE5

    Lightness: 57%

  • #7228E2

    Lightness: 52%

  • #661DD3

    Lightness: 47%

    Current color

  • #5B1ABC

    Lightness: 42%

  • #5017A6

    Lightness: 37%

  • #451490

    Lightness: 32%

Accessibility

White Text
7.8
PASS
Black Text
2.7
FAIL
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 #661DD3

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

Current: #661DD3

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