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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
#031EFF
RGB Values
3, 30, 255
HSL Values
234°, 100%, 51%
CMYK Values
99%, 88%, 0%, 0%

Color Variations & Tints

  • #5263FF

    Lightness: 66%

  • #384CFF

    Lightness: 61%

  • #1F35FF

    Lightness: 56%

  • #031EFF

    Lightness: 51%

    Current color

  • #0017EB

    Lightness: 46%

  • #0015D1

    Lightness: 41%

  • #0012B8

    Lightness: 36%

Accessibility

White Text
8.0
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 #031EFF

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

Current: #031EFF

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