#bb1821
a dark, electric red · warm · closest name: firebrick
RGB
187, 24, 33
HSL
357°, 77%, 41%
CMYK
0, 87, 82, 27
Luminance
0.1133
Every format
| HEX | #bb1821 |
| RGB | rgb(187, 24, 33) |
| HSL | hsl(357, 77%, 41%) |
| CMYK | cmyk(0%, 87%, 82%, 27%) |
| LAB | lab(40.1 60.8 39.8) |
| LCH | lch(40.1 72.7 33.2) |
| OKLCH | oklch(0.507 0.194 25.9) |
Copy-ready code
/* CSS */
color: #bb1821;
background-color: #bb1821;
/* Tailwind (arbitrary) */
class="text-[#bb1821] bg-[#bb1821]"
/* SCSS */
$brand: #bb1821;
/* SwiftUI */
Color(red: 0.733, green: 0.094, blue: 0.129)
/* Android */
Color.parseColor("#bb1821")Accessibility — WCAG contrast
Aa
#bb1821 on white: 6.43:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb1821 on black: 3.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green9.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta87.2%
Yellow82.4%
Key (black)26.7%
Color previews
#bb1821 text on a black background
contrast 3.27:1
Card sample
#bb1821 text on a white background
contrast 6.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb1821;
Background color
Panel with #bb1821 background
background-color: #bb1821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb1821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 24, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 24, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb1821; background: linear-gradient(135deg, #bb1821, #BB7C18);