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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
#42BCFE
RGB Values
66, 188, 254
HSL Values
201°, 99%, 63%
CMYK Values
74%, 26%, 0%, 0%

Color Variations & Tints

  • #8FD8FE

    Lightness: 78%

  • #76CFFE

    Lightness: 73%

  • #5DC6FE

    Lightness: 68%

  • #42BCFE

    Lightness: 63%

    Current color

  • #2AB4FE

    Lightness: 58%

  • #10ABFE

    Lightness: 53%

  • #019FF4

    Lightness: 48%

Accessibility

White Text
2.1
FAIL
Black Text
9.9
PASS
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 #42BCFE

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

Current: #42BCFE

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