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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
#3E88D0
RGB Values
62, 136, 208
HSL Values
210°, 61%, 53%
CMYK Values
70%, 35%, 0%, 18%

Color Variations & Tints

  • #7CADDF

    Lightness: 68%

  • #67A1DA

    Lightness: 63%

  • #5394D5

    Lightness: 58%

  • #3E88D0

    Lightness: 53%

    Current color

  • #307AC5

    Lightness: 48%

  • #2B6EB1

    Lightness: 43%

  • #26619C

    Lightness: 38%

Accessibility

White Text
3.7
FAIL
Black Text
5.6
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 #3E88D0

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

Current: #3E88D0

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