/
Colorbook
Sign in Sign up

Color Information

Black

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

HEX Format
#3F7D6B
RGB Values
63, 125, 107
HSL Values
163°, 33%, 37%
CMYK Values
50%, 0%, 14%, 51%

Color Variations & Tints

  • #5CAD96

    Lightness: 52%

  • #509F89

    Lightness: 47%

  • #488E7A

    Lightness: 42%

  • #3F7D6B

    Lightness: 37%

    Current color

  • #376D5D

    Lightness: 32%

  • #2E5C4F

    Lightness: 27%

  • #264B40

    Lightness: 22%

Accessibility

White Text
4.8
PASS
Black Text
4.4
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 #3F7D6B

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

Current: #3F7D6B

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.