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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
#316DAC
RGB Values
49, 109, 172
HSL Values
211°, 56%, 43%
CMYK Values
72%, 37%, 0%, 33%

Color Variations & Tints

  • #5892D0

    Lightness: 58%

  • #4485CA

    Lightness: 53%

  • #3678BF

    Lightness: 48%

  • #316DAC

    Lightness: 43%

    Current color

  • #2B5F97

    Lightness: 38%

  • #255383

    Lightness: 33%

  • #1F466F

    Lightness: 28%

Accessibility

White Text
5.4
PASS
Black Text
3.9
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 #316DAC

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

Current: #316DAC

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