#51231F
Dark Red
HEX
RGB
HSL
About #51231F Dark Red
#51231F is a dark red color. In the RGB color model, it is composed of 81 red, 35 green, and 31 blue. In the HSL color space, it has a hue of 5°, saturation of 45%, and lightness of 22%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #51231F in your CSS, SCSS, or Tailwind projects.
Color Properties
5°
Hue
45%
Saturation
22%
Lightness
Dark Red
Color Harmonies
Colors that work well with #51231F based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #51231F against white and black backgrounds.
Aa#51231F on White
Contrast Ratio13.04:1
AA ✓AA Large ✓AAA ✓
Aa#51231F on Black
Contrast Ratio1.61:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #51231F across different color formats.
| Format | Value |
|---|---|
| HEX | #51231F |
| RGB | rgb(81, 35, 31) |
| HSL | hsl(5, 45%, 22%) |
| RGB Decimal | 81, 35, 31 |
| RGB Percent | 31.8%, 13.7%, 12.2% |
| CMYK (approx.) | 0%, 57%, 62%, 68% |
Related Palettes
12 palettes using #51231F or similar colors