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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
#63ABE9
RGB Values
99, 171, 233
HSL Values
208°, 75%, 65%
CMYK Values
58%, 27%, 0%, 9%

Color Variations & Tints

  • #A6CFF2

    Lightness: 80%

  • #8FC2EF

    Lightness: 75%

  • #79B6EC

    Lightness: 70%

  • #63ABE9

    Lightness: 65%

    Current color

  • #4D9EE6

    Lightness: 60%

  • #3692E2

    Lightness: 55%

  • #2086DF

    Lightness: 50%

Accessibility

White Text
2.5
FAIL
Black Text
8.5
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 #63ABE9

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

Current: #63ABE9

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