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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
#248BE0
RGB Values
36, 139, 224
HSL Values
207°, 75%, 51%
CMYK Values
84%, 38%, 0%, 12%

Color Variations & Tints

  • #67AFE9

    Lightness: 66%

  • #51A3E6

    Lightness: 61%

  • #3B97E3

    Lightness: 56%

  • #248BE0

    Lightness: 51%

    Current color

  • #1D7ECD

    Lightness: 46%

  • #1A70B7

    Lightness: 41%

  • #1763A1

    Lightness: 36%

Accessibility

White Text
3.6
FAIL
Black Text
5.8
PASS
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 #248BE0

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

Current: #248BE0

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