#bb1100
a dark, electric red · warm · closest name: firebrick
RGB
187, 17, 0
HSL
6°, 100%, 37%
CMYK
0, 91, 100, 27
Luminance
0.1097
Every format
| HEX | #bb1100 |
| RGB | rgb(187, 17, 0) |
| HSL | hsl(6, 100%, 37%) |
| CMYK | cmyk(0%, 91%, 100%, 27%) |
| LAB | lab(39.5 61.5 53.5) |
| LCH | lch(39.5 81.5 41.0) |
| OKLCH | oklch(0.502 0.199 30.4) |
Copy-ready code
/* CSS */
color: #bb1100;
background-color: #bb1100;
/* Tailwind (arbitrary) */
class="text-[#bb1100] bg-[#bb1100]"
/* SCSS */
$brand: #bb1100;
/* SwiftUI */
Color(red: 0.733, green: 0.067, blue: 0.000)
/* Android */
Color.parseColor("#bb1100")Accessibility — WCAG contrast
Aa
#bb1100 on white: 6.58:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb1100 on black: 3.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green6.7%
Blue0.0%
CMYK percentages
Cyan0.0%
Magenta90.9%
Yellow100.0%
Key (black)26.7%
Color previews
#bb1100 text on a black background
contrast 3.19:1
Card sample
#bb1100 text on a white background
contrast 6.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb1100;
Background color
Panel with #bb1100 background
background-color: #bb1100;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb1100;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 17, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 17, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb1100; background: linear-gradient(135deg, #bb1100, #BB8E00);