#bb3921
a dark, vivid red · warm · closest name: firebrick
RGB
187, 57, 33
HSL
9°, 70%, 43%
CMYK
0, 70, 82, 27
Luminance
0.1360
Every format
| HEX | #bb3921 |
| RGB | rgb(187, 57, 33) |
| HSL | hsl(9, 70%, 43%) |
| CMYK | cmyk(0%, 70%, 82%, 27%) |
| LAB | lab(43.7 50.9 43.2) |
| LCH | lch(43.7 66.8 40.3) |
| OKLCH | oklch(0.534 0.171 32.7) |
Copy-ready code
/* CSS */
color: #bb3921;
background-color: #bb3921;
/* Tailwind (arbitrary) */
class="text-[#bb3921] bg-[#bb3921]"
/* SCSS */
$brand: #bb3921;
/* SwiftUI */
Color(red: 0.733, green: 0.224, blue: 0.129)
/* Android */
Color.parseColor("#bb3921")Accessibility — WCAG contrast
Aa
#bb3921 on white: 5.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb3921 on black: 3.72:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green22.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta69.5%
Yellow82.4%
Key (black)26.7%
Color previews
#bb3921 text on a black background
contrast 3.72:1
Card sample
#bb3921 text on a white background
contrast 5.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb3921;
Background color
Panel with #bb3921 background
background-color: #bb3921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb3921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 57, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 57, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb3921; background: linear-gradient(135deg, #bb3921, #BBA021);