#bb3a21
a dark, vivid red · warm · closest name: firebrick
RGB
187, 58, 33
HSL
10°, 70%, 43%
CMYK
0, 69, 82, 27
Luminance
0.1370
Every format
| HEX | #bb3a21 |
| RGB | rgb(187, 58, 33) |
| HSL | hsl(10, 70%, 43%) |
| CMYK | cmyk(0%, 69%, 82%, 27%) |
| LAB | lab(43.8 50.5 43.3) |
| LCH | lch(43.8 66.5 40.6) |
| OKLCH | oklch(0.535 0.170 33.0) |
Copy-ready code
/* CSS */
color: #bb3a21;
background-color: #bb3a21;
/* Tailwind (arbitrary) */
class="text-[#bb3a21] bg-[#bb3a21]"
/* SCSS */
$brand: #bb3a21;
/* SwiftUI */
Color(red: 0.733, green: 0.227, blue: 0.129)
/* Android */
Color.parseColor("#bb3a21")Accessibility — WCAG contrast
Aa
#bb3a21 on white: 5.61:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb3a21 on black: 3.74:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green22.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta69.0%
Yellow82.4%
Key (black)26.7%
Color previews
#bb3a21 text on a black background
contrast 3.74:1
Card sample
#bb3a21 text on a white background
contrast 5.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb3a21;
Background color
Panel with #bb3a21 background
background-color: #bb3a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb3a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 58, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 58, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb3a21; background: linear-gradient(135deg, #bb3a21, #BBA021);