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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
#2B63E0
RGB Values
43, 99, 224
HSL Values
221°, 74%, 52%
CMYK Values
81%, 56%, 0%, 12%

Color Variations & Tints

  • #6D94E9

    Lightness: 67%

  • #5684E6

    Lightness: 62%

  • #4074E2

    Lightness: 57%

  • #2B63E0

    Lightness: 52%

    Current color

  • #1F57D1

    Lightness: 47%

  • #1C4EBA

    Lightness: 42%

  • #1945A4

    Lightness: 37%

Accessibility

White Text
5.3
PASS
Black Text
4.0
FAIL
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 #2B63E0

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

Current: #2B63E0

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