#bb0121
a dark, electric red · warm · closest name: firebrick
RGB
187, 1, 33
HSL
350°, 99%, 37%
CMYK
0, 100, 82, 27
Luminance
0.1070
Every format
| HEX | #bb0121 |
| RGB | rgb(187, 1, 33) |
| HSL | hsl(350, 99%, 37%) |
| CMYK | cmyk(0%, 100%, 82%, 27%) |
| LAB | lab(39.1 63.9 38.8) |
| LCH | lch(39.1 74.7 31.3) |
| OKLCH | oklch(0.500 0.202 24.1) |
Copy-ready code
/* CSS */
color: #bb0121;
background-color: #bb0121;
/* Tailwind (arbitrary) */
class="text-[#bb0121] bg-[#bb0121]"
/* SCSS */
$brand: #bb0121;
/* SwiftUI */
Color(red: 0.733, green: 0.004, blue: 0.129)
/* Android */
Color.parseColor("#bb0121")Accessibility — WCAG contrast
Aa
#bb0121 on white: 6.69:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb0121 on black: 3.14:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green0.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta99.5%
Yellow82.4%
Key (black)26.7%
Color previews
#bb0121 text on a black background
contrast 3.14:1
Card sample
#bb0121 text on a white background
contrast 6.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb0121;
Background color
Panel with #bb0121 background
background-color: #bb0121;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb0121;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 1, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 1, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb0121; background: linear-gradient(135deg, #bb0121, #BB5D01);