#312121
Dark Red
HEX
RGB
HSL
About #312121 Dark Red
#312121 is a dark red color. In the RGB color model, it is composed of 49 red, 33 green, and 33 blue. In the HSL color space, it has a hue of 0°, saturation of 20%, and lightness of 16%.
This color has a low lightness value, making it a dark color great for text and bold accents. With low saturation, it appears muted and subtle.
CSS Code
Use #312121 in your CSS, SCSS, or Tailwind projects.
Color Properties
0°
Hue
20%
Saturation
16%
Lightness
Dark Red
Color Harmonies
Colors that work well with #312121 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #312121 against white and black backgrounds.
Aa#312121 on White
Contrast Ratio15.33:1
AA ✓AA Large ✓AAA ✓
Aa#312121 on Black
Contrast Ratio1.37:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #312121 across different color formats.
| Format | Value |
|---|---|
| HEX | #312121 |
| RGB | rgb(49, 33, 33) |
| HSL | hsl(0, 20%, 16%) |
| RGB Decimal | 49, 33, 33 |
| RGB Percent | 19.2%, 12.9%, 12.9% |
| CMYK (approx.) | 0%, 33%, 33%, 81% |
Related Palettes
12 palettes using #312121 or similar colors