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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
#2331E1
RGB Values
35, 49, 225
HSL Values
236°, 76%, 51%
CMYK Values
84%, 78%, 0%, 12%

Color Variations & Tints

  • #666FEA

    Lightness: 66%

  • #505AE7

    Lightness: 61%

  • #3A45E4

    Lightness: 56%

  • #2331E1

    Lightness: 51%

    Current color

  • #1C28CE

    Lightness: 46%

  • #1924B8

    Lightness: 41%

  • #161FA2

    Lightness: 36%

Accessibility

White Text
8.1
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 #2331E1

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

Current: #2331E1

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