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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
#3684F2
RGB Values
54, 132, 242
HSL Values
215°, 88%, 58%
CMYK Values
78%, 45%, 0%, 5%

Color Variations & Tints

  • #7EB0F7

    Lightness: 73%

  • #66A1F5

    Lightness: 68%

  • #4E93F4

    Lightness: 63%

  • #3684F2

    Lightness: 58%

    Current color

  • #1E76F1

    Lightness: 53%

  • #0F68E6

    Lightness: 48%

  • #0D5ECE

    Lightness: 43%

Accessibility

White Text
3.7
FAIL
Black Text
5.7
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 #3684F2

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

Current: #3684F2

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