#b91321
a dark, electric red · warm · closest name: firebrick
RGB
185, 19, 33
HSL
355°, 81%, 40%
CMYK
0, 90, 82, 28
Luminance
0.1089
Every format
| HEX | #b91321 |
| RGB | rgb(185, 19, 33) |
| HSL | hsl(355, 81%, 40%) |
| CMYK | cmyk(0%, 90%, 82%, 28%) |
| LAB | lab(39.4 61.1 39.0) |
| LCH | lch(39.4 72.5 32.5) |
| OKLCH | oklch(0.501 0.194 25.2) |
Copy-ready code
/* CSS */
color: #b91321;
background-color: #b91321;
/* Tailwind (arbitrary) */
class="text-[#b91321] bg-[#b91321]"
/* SCSS */
$brand: #b91321;
/* SwiftUI */
Color(red: 0.725, green: 0.075, blue: 0.129)
/* Android */
Color.parseColor("#b91321")Accessibility — WCAG contrast
Aa
#b91321 on white: 6.61:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b91321 on black: 3.18:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.5%
Green7.5%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta89.7%
Yellow82.2%
Key (black)27.5%
Color previews
#b91321 text on a black background
contrast 3.18:1
Card sample
#b91321 text on a white background
contrast 6.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b91321;
Background color
Panel with #b91321 background
background-color: #b91321;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b91321;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(185, 19, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(185, 19, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b91321; background: linear-gradient(135deg, #b91321, #B97413);