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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
#3148AF
RGB Values
49, 72, 175
HSL Values
229°, 56%, 44%
CMYK Values
72%, 59%, 0%, 31%

Color Variations & Tints

  • #5C71D1

    Lightness: 59%

  • #4860CB

    Lightness: 54%

  • #3751C3

    Lightness: 49%

  • #3148AF

    Lightness: 44%

    Current color

  • #2C409B

    Lightness: 39%

  • #263887

    Lightness: 34%

  • #213073

    Lightness: 29%

Accessibility

White Text
7.8
PASS
Black Text
2.7
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 #3148AF

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

Current: #3148AF

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