#B51739
Red
HEX
RGB
HSL
About #B51739 Red
#B51739 is a red color. In the RGB color model, it is composed of 181 red, 23 green, and 57 blue. In the HSL color space, it has a hue of 347°, saturation of 77%, and lightness of 40%.
This color has a low lightness value, making it a dark color great for text and bold accents. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #B51739 in your CSS, SCSS, or Tailwind projects.
Color Properties
347°
Hue
77%
Saturation
40%
Lightness
Red
Color Harmonies
Colors that work well with #B51739 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #B51739 against white and black backgrounds.
Aa#B51739 on White
Contrast Ratio6.67:1
AA ✓AA Large ✓AAA ✗
Aa#B51739 on Black
Contrast Ratio3.15:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #B51739 across different color formats.
| Format | Value |
|---|---|
| HEX | #B51739 |
| RGB | rgb(181, 23, 57) |
| HSL | hsl(347, 77%, 40%) |
| RGB Decimal | 181, 23, 57 |
| RGB Percent | 71.0%, 9.0%, 22.4% |
| CMYK (approx.) | 0%, 87%, 69%, 29% |
Related Palettes
12 palettes using #B51739 or similar colors