#bb1721
a dark, electric red · warm · closest name: firebrick
RGB
187, 23, 33
HSL
356°, 78%, 41%
CMYK
0, 88, 82, 27
Luminance
0.1129
Every format
| HEX | #bb1721 |
| RGB | rgb(187, 23, 33) |
| HSL | hsl(356, 78%, 41%) |
| CMYK | cmyk(0%, 88%, 82%, 27%) |
| LAB | lab(40.1 61.0 39.8) |
| LCH | lch(40.1 72.8 33.1) |
| OKLCH | oklch(0.507 0.194 25.7) |
Copy-ready code
/* CSS */
color: #bb1721;
background-color: #bb1721;
/* Tailwind (arbitrary) */
class="text-[#bb1721] bg-[#bb1721]"
/* SCSS */
$brand: #bb1721;
/* SwiftUI */
Color(red: 0.733, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#bb1721")Accessibility — WCAG contrast
Aa
#bb1721 on white: 6.45:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb1721 on black: 3.26:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green9.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta87.7%
Yellow82.4%
Key (black)26.7%
Color previews
#bb1721 text on a black background
contrast 3.26:1
Card sample
#bb1721 text on a white background
contrast 6.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb1721;
Background color
Panel with #bb1721 background
background-color: #bb1721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb1721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb1721; background: linear-gradient(135deg, #bb1721, #BB7A17);