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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
#2F41B2
RGB Values
47, 65, 178
HSL Values
232°, 58%, 44%
CMYK Values
74%, 63%, 0%, 30%

Color Variations & Tints

  • #5A6AD3

    Lightness: 59%

  • #4658CE

    Lightness: 54%

  • #3448C5

    Lightness: 49%

  • #2F41B2

    Lightness: 44%

    Current color

  • #2A399D

    Lightness: 39%

  • #243289

    Lightness: 34%

  • #1F2A75

    Lightness: 29%

Accessibility

White Text
8.3
PASS
Black Text
2.5
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 #2F41B2

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

Current: #2F41B2

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