#b01721
a dark, electric red · warm · closest name: firebrick
RGB
176, 23, 33
HSL
356°, 77%, 39%
CMYK
0, 87, 81, 31
Luminance
0.0995
Every format
| HEX | #b01721 |
| RGB | rgb(176, 23, 33) |
| HSL | hsl(356, 77%, 39%) |
| CMYK | cmyk(0%, 87%, 81%, 31%) |
| LAB | lab(37.8 58.0 36.7) |
| LCH | lch(37.8 68.6 32.4) |
| OKLCH | oklch(0.486 0.185 25.3) |
Copy-ready code
/* CSS */
color: #b01721;
background-color: #b01721;
/* Tailwind (arbitrary) */
class="text-[#b01721] bg-[#b01721]"
/* SCSS */
$brand: #b01721;
/* SwiftUI */
Color(red: 0.690, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#b01721")Accessibility — WCAG contrast
Aa
#b01721 on white: 7.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#b01721 on black: 2.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red69.0%
Green9.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta86.9%
Yellow81.3%
Key (black)31.0%
Color previews
#b01721 text on a black background
contrast 2.99:1
Card sample
#b01721 text on a white background
contrast 7.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #b01721;
Background color
Panel with #b01721 background
background-color: #b01721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #b01721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(176, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(176, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b01721; background: linear-gradient(135deg, #b01721, #B07317);