#AD1F21
Red
HEX
RGB
HSL
About #AD1F21 Red
#AD1F21 is a red color. In the RGB color model, it is composed of 173 red, 31 green, and 33 blue. In the HSL color space, it has a hue of 359°, saturation of 70%, and lightness of 40%.
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 #AD1F21 in your CSS, SCSS, or Tailwind projects.
Color Properties
359°
Hue
70%
Saturation
40%
Lightness
Red
Color Harmonies
Colors that work well with #AD1F21 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #AD1F21 against white and black backgrounds.
Aa#AD1F21 on White
Contrast Ratio7.01:1
AA ✓AA Large ✓AAA ✓
Aa#AD1F21 on Black
Contrast Ratio2.99:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #AD1F21 across different color formats.
| Format | Value |
|---|---|
| HEX | #AD1F21 |
| RGB | rgb(173, 31, 33) |
| HSL | hsl(359, 70%, 40%) |
| RGB Decimal | 173, 31, 33 |
| RGB Percent | 67.8%, 12.2%, 12.9% |
| CMYK (approx.) | 0%, 82%, 81%, 32% |
Related Palettes
12 palettes using #AD1F21 or similar colors