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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
#291EF8
RGB Values
41, 30, 248
HSL Values
243°, 94%, 55%
CMYK Values
83%, 88%, 0%, 3%

Color Variations & Tints

  • #726BFA

    Lightness: 70%

  • #5A52FA

    Lightness: 65%

  • #4339F9

    Lightness: 60%

  • #291EF8

    Lightness: 55%

    Current color

  • #1408F7

    Lightness: 50%

  • #1207DF

    Lightness: 45%

  • #1006C6

    Lightness: 40%

Accessibility

White Text
8.0
PASS
Black Text
2.6
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 #291EF8

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

Current: #291EF8

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