#b81321
a dark, electric red · warm · closest name: firebrick
RGB
184, 19, 33
HSL
355°, 81%, 40%
CMYK
0, 90, 82, 28
Luminance
0.1077
Every format
| HEX | #b81321 |
| RGB | rgb(184, 19, 33) |
| HSL | hsl(355, 81%, 40%) |
| CMYK | cmyk(0%, 90%, 82%, 28%) |
| LAB | lab(39.2 60.9 38.7) |
| LCH | lch(39.2 72.1 32.4) |
| OKLCH | oklch(0.499 0.194 25.2) |
Copy-ready code
/* CSS */
color: #b81321;
background-color: #b81321;
/* Tailwind (arbitrary) */
class="text-[#b81321] bg-[#b81321]"
/* SCSS */
$brand: #b81321;
/* SwiftUI */
Color(red: 0.722, green: 0.075, blue: 0.129)
/* Android */
Color.parseColor("#b81321")Accessibility — WCAG contrast
Aa
#b81321 on white: 6.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#b81321 on black: 3.15:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red72.2%
Green7.5%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta89.7%
Yellow82.1%
Key (black)27.8%
Color previews
#b81321 text on a black background
contrast 3.15:1
Card sample
#b81321 text on a white background
contrast 6.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b81321;
Background color
Panel with #b81321 background
background-color: #b81321;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b81321;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(184, 19, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(184, 19, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b81321; background: linear-gradient(135deg, #b81321, #B87313);