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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
#3021E5
RGB Values
48, 33, 229
HSL Values
245°, 79%, 51%
CMYK Values
79%, 86%, 0%, 10%

Color Variations & Tints

  • #6F64ED

    Lightness: 66%

  • #5A4DEA

    Lightness: 61%

  • #4536E7

    Lightness: 56%

  • #3021E5

    Lightness: 51%

    Current color

  • #2819D2

    Lightness: 46%

  • #2416BB

    Lightness: 41%

  • #1F13A4

    Lightness: 36%

Accessibility

White Text
8.5
PASS
Black Text
2.5
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 #3021E5

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

Current: #3021E5

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