#bb0a21
a dark, electric red · warm · closest name: firebrick
RGB
187, 10, 33
HSL
352°, 90%, 39%
CMYK
0, 95, 82, 27
Luminance
0.1089
Every format
| HEX | #bb0a21 |
| RGB | rgb(187, 10, 33) |
| HSL | hsl(352, 90%, 39%) |
| CMYK | cmyk(0%, 95%, 82%, 27%) |
| LAB | lab(39.4 62.9 39.1) |
| LCH | lch(39.4 74.1 31.9) |
| OKLCH | oklch(0.502 0.199 24.6) |
Copy-ready code
/* CSS */
color: #bb0a21;
background-color: #bb0a21;
/* Tailwind (arbitrary) */
class="text-[#bb0a21] bg-[#bb0a21]"
/* SCSS */
$brand: #bb0a21;
/* SwiftUI */
Color(red: 0.733, green: 0.039, blue: 0.129)
/* Android */
Color.parseColor("#bb0a21")Accessibility — WCAG contrast
Aa
#bb0a21 on white: 6.61:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb0a21 on black: 3.18:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green3.9%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta94.7%
Yellow82.4%
Key (black)26.7%
Color previews
#bb0a21 text on a black background
contrast 3.18:1
Card sample
#bb0a21 text on a white background
contrast 6.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb0a21;
Background color
Panel with #bb0a21 background
background-color: #bb0a21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb0a21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 10, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 10, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb0a21; background: linear-gradient(135deg, #bb0a21, #BB690A);