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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
#249BDC
RGB Values
36, 155, 220
HSL Values
201°, 72%, 50%
CMYK Values
84%, 30%, 0%, 14%

Color Variations & Tints

  • #65B9E6

    Lightness: 65%

  • #50AFE2

    Lightness: 60%

  • #3AA5DF

    Lightness: 55%

  • #249BDC

    Lightness: 50%

    Current color

  • #208CC5

    Lightness: 45%

  • #1D7CAF

    Lightness: 40%

  • #196D9A

    Lightness: 35%

Accessibility

White Text
3.1
FAIL
Black Text
6.8
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 #249BDC

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

Current: #249BDC

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