#bb1237
a dark, electric red · warm · closest name: crimson
RGB
187, 18, 55
HSL
347°, 82%, 40%
CMYK
0, 90, 71, 27
Luminance
0.1127
Every format
| HEX | #bb1237 |
| RGB | rgb(187, 18, 55) |
| HSL | hsl(347, 82%, 40%) |
| CMYK | cmyk(0%, 90%, 71%, 27%) |
| LAB | lab(40.0 62.6 26.6) |
| LCH | lch(40.0 68.1 23.1) |
| OKLCH | oklch(0.508 0.195 18.4) |
Copy-ready code
/* CSS */
color: #bb1237;
background-color: #bb1237;
/* Tailwind (arbitrary) */
class="text-[#bb1237] bg-[#bb1237]"
/* SCSS */
$brand: #bb1237;
/* SwiftUI */
Color(red: 0.733, green: 0.071, blue: 0.216)
/* Android */
Color.parseColor("#bb1237")Accessibility — WCAG contrast
Aa
#bb1237 on white: 6.45:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb1237 on black: 3.25:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green7.1%
Blue21.6%
CMYK percentages
Cyan0.0%
Magenta90.4%
Yellow70.6%
Key (black)26.7%
Color previews
#bb1237 text on a black background
contrast 3.25:1
Card sample
#bb1237 text on a white background
contrast 6.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb1237;
Background color
Panel with #bb1237 background
background-color: #bb1237;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb1237;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 18, 55, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 18, 55, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb1237; background: linear-gradient(135deg, #bb1237, #BB5E12);