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Colorbook
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Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#3F7C8D
RGB Values
63, 124, 141
HSL Values
193°, 38%, 40%
CMYK Values
55%, 12%, 0%, 45%

Color Variations & Tints

  • #61A5B8

    Lightness: 55%

  • #4F9BB0

    Lightness: 50%

  • #478B9E

    Lightness: 45%

  • #3F7C8D

    Lightness: 40%

    Current color

  • #376C7B

    Lightness: 35%

  • #2F5D6A

    Lightness: 30%

  • #284D58

    Lightness: 25%

Accessibility

White Text
4.7
PASS
Black Text
4.5
FAIL
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 #3F7C8D

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

Current: #3F7C8D

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