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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
#305FBC
RGB Values
48, 95, 188
HSL Values
220°, 59%, 46%
CMYK Values
74%, 49%, 0%, 26%

Color Variations & Tints

  • #6188D6

    Lightness: 61%

  • #4D79D1

    Lightness: 56%

  • #3869CC

    Lightness: 51%

  • #305FBC

    Lightness: 46%

    Current color

  • #2B54A6

    Lightness: 41%

  • #264A92

    Lightness: 36%

  • #20407E

    Lightness: 31%

Accessibility

White Text
6.0
PASS
Black Text
3.5
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 #305FBC

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

Current: #305FBC

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