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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
#5764FD
RGB Values
87, 100, 253
HSL Values
235°, 98%, 67%
CMYK Values
66%, 60%, 0%, 1%

Color Variations & Tints

  • #A4ACFE

    Lightness: 82%

  • #8B94FE

    Lightness: 77%

  • #727DFE

    Lightness: 72%

  • #5764FD

    Lightness: 67%

    Current color

  • #3F4FFD

    Lightness: 62%

  • #2638FD

    Lightness: 57%

  • #0D21FD

    Lightness: 52%

Accessibility

White Text
4.5
PASS
Black Text
4.6
PASS
WCAG AA
PASS
WCAG AAA
FAIL

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 #5764FD

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

Current: #5764FD

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