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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
#123AF0
RGB Values
18, 58, 240
HSL Values
229°, 88%, 51%
CMYK Values
93%, 76%, 0%, 6%

Color Variations & Tints

  • #5C78F5

    Lightness: 66%

  • #4464F3

    Lightness: 61%

  • #2C50F2

    Lightness: 56%

  • #123AF0

    Lightness: 51%

    Current color

  • #0E34DD

    Lightness: 46%

  • #0D2EC5

    Lightness: 41%

  • #0B29AD

    Lightness: 36%

Accessibility

White Text
7.3
PASS
Black Text
2.9
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 #123AF0

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

Current: #123AF0

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