/
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
#3F77AF
RGB Values
63, 119, 175
HSL Values
210°, 47%, 47%
CMYK Values
64%, 32%, 0%, 31%

Color Variations & Tints

  • #719ECC

    Lightness: 62%

  • #5E91C5

    Lightness: 57%

  • #4B85BE

    Lightness: 52%

  • #3F77AF

    Lightness: 47%

    Current color

  • #396B9D

    Lightness: 42%

  • #325E8B

    Lightness: 37%

  • #2B5278

    Lightness: 32%

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 #3F77AF

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

Current: #3F77AF

Discover More Colors

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