/
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
#404C6C
RGB Values
64, 76, 108
HSL Values
224°, 26%, 34%
CMYK Values
41%, 30%, 0%, 58%

Color Variations & Tints

  • #5C6E9D

    Lightness: 49%

  • #53638D

    Lightness: 44%

  • #4A577D

    Lightness: 39%

  • #404C6C

    Lightness: 34%

    Current color

  • #37415D

    Lightness: 29%

  • #2D364D

    Lightness: 24%

  • #242B3D

    Lightness: 19%

Accessibility

White Text
8.5
PASS
Black Text
2.5
FAIL
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 #404C6C

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

Current: #404C6C

Discover More Colors

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