Charcoal (Neutral)

#231F21

RGB: 35, 31, 33

Color OverviewHEX #231F21

#231F21 Color Code Information

In the RGB color space, #231F21 is composed of 14% red, 12% green, and 13% blue. In the HSL color space, it has a hue of 330°, saturation of 6%, and lightness of 13%.

HEX

#231F21

RGB

35, 31, 33

HSL

330°, 6%, 13%

HSV

330°, 11%, 14%

CMYK

0%, 11%, 6%, 86%

Name Match

Charcoal

Closest Standard

Shades of #231F21 (Darker Variations)

Shades are created by progressively mixing the base color with black.

Tints of #231F21 (Lighter Variations)

Tints are created by progressively mixing the base color with pure white.

Tones of #231F21 (Muted Variations)

Tones are created by mixing the base color with true neutral gray.

Color Harmonies for #231F21

Calculated color schemes based on classic color wheel angles for graphic and web design.

Complementary

Analogous

Triadic

Split Complementary

Monochromatic

WCAG Accessibility Contrast Ratios

Verification against Web Content Accessibility Guidelines (WCAG 2.1) standards for web text readability.

Sample Text on #231F21 Background

Contrast Ratio against Pure White (#FFFFFF):16.29 : 1

WCAG AA (4.5:1)

WCAG AAA (7.0:1)

Sample Text on #231F21 Background

Contrast Ratio against Pure Black (#000000):1.29 : 1

WCAG AA (4.5:1)

WCAG AAA (7.0:1)

Developer Code Snippets & Tailwind CSS

CSS Variables & Declarations

:root {
  --color-brand: #231F21;
}

.element {
  color: #231F21;
  background-color: #231F21;
  border-color: #231F21;
}

Tailwind CSS v4 Utility Classes

<!-- Tailwind Arbitrary Values -->
<div className="bg-[#231F21] text-[#231F21] border-[#231F21]">
  Content styled with #231F21
</div>