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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
#152CD6
RGB Values
21, 44, 214
HSL Values
233°, 82%, 46%
CMYK Values
90%, 79%, 0%, 16%

Color Variations & Tints

  • #4A5DED

    Lightness: 61%

  • #3348EB

    Lightness: 56%

  • #1C33E9

    Lightness: 51%

  • #152CD6

    Lightness: 46%

    Current color

  • #1327BE

    Lightness: 41%

  • #1122A7

    Lightness: 36%

  • #0E1D90

    Lightness: 31%

Accessibility

White Text
8.9
PASS
Black Text
2.4
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 #152CD6

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

Current: #152CD6

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