#631818
Dark Red
HEX
RGB
HSL
About #631818 Dark Red
#631818 is a dark red color. In the RGB color model, it is composed of 99 red, 24 green, and 24 blue. In the HSL color space, it has a hue of 0°, saturation of 61%, and lightness of 24%.
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 #631818 in your CSS, SCSS, or Tailwind projects.
Color Properties
0°
Hue
61%
Saturation
24%
Lightness
Dark Red
Color Harmonies
Colors that work well with #631818 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #631818 against white and black backgrounds.
Aa#631818 on White
Contrast Ratio12.54:1
AA ✓AA Large ✓AAA ✓
Aa#631818 on Black
Contrast Ratio1.67:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #631818 across different color formats.
| Format | Value |
|---|---|
| HEX | #631818 |
| RGB | rgb(99, 24, 24) |
| HSL | hsl(0, 61%, 24%) |
| RGB Decimal | 99, 24, 24 |
| RGB Percent | 38.8%, 9.4%, 9.4% |
| CMYK (approx.) | 0%, 76%, 76%, 61% |
Related Palettes
12 palettes using #631818 or similar colors