#b91f13
a dark, electric red · warm · closest name: firebrick
RGB
185, 31, 19
HSL
4°, 81%, 40%
CMYK
0, 83, 90, 28
Luminance
0.1134
Every format
| HEX | #b91f13 |
| RGB | rgb(185, 31, 19) |
| HSL | hsl(4, 81%, 40%) |
| CMYK | cmyk(0%, 83%, 90%, 28%) |
| LAB | lab(40.2 58.4 46.6) |
| LCH | lch(40.2 74.7 38.6) |
| OKLCH | oklch(0.507 0.190 29.7) |
Copy-ready code
/* CSS */
color: #b91f13;
background-color: #b91f13;
/* Tailwind (arbitrary) */
class="text-[#b91f13] bg-[#b91f13]"
/* SCSS */
$brand: #b91f13;
/* SwiftUI */
Color(red: 0.725, green: 0.122, blue: 0.075)
/* Android */
Color.parseColor("#b91f13")Accessibility — WCAG contrast
Aa
#b91f13 on white: 6.43:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b91f13 on black: 3.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.5%
Green12.2%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta83.2%
Yellow89.7%
Key (black)27.5%
Color previews
#b91f13 text on a black background
contrast 3.27:1
Card sample
#b91f13 text on a white background
contrast 6.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b91f13;
Background color
Panel with #b91f13 background
background-color: #b91f13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b91f13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(185, 31, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(185, 31, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b91f13; background: linear-gradient(135deg, #b91f13, #B98E13);