#bb3333
a balanced, vivid red · warm · closest name: firebrick
RGB
187, 51, 51
HSL
0°, 57%, 47%
CMYK
0, 73, 73, 27
Luminance
0.1317
Every format
| HEX | #bb3333 |
| RGB | rgb(187, 51, 51) |
| HSL | hsl(0, 57%, 47%) |
| CMYK | cmyk(0%, 73%, 73%, 27%) |
| LAB | lab(43.0 53.9 32.6) |
| LCH | lch(43.0 63.0 31.2) |
| OKLCH | oklch(0.530 0.173 25.3) |
Copy-ready code
/* CSS */
color: #bb3333;
background-color: #bb3333;
/* Tailwind (arbitrary) */
class="text-[#bb3333] bg-[#bb3333]"
/* SCSS */
$brand: #bb3333;
/* SwiftUI */
Color(red: 0.733, green: 0.200, blue: 0.200)
/* Android */
Color.parseColor("#bb3333")Accessibility — WCAG contrast
Aa
#bb3333 on white: 5.78:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#bb3333 on black: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red73.3%
Green20.0%
Blue20.0%
CMYK percentages
Cyan0.0%
Magenta72.7%
Yellow72.7%
Key (black)26.7%
Color previews
#bb3333 text on a black background
contrast 3.63:1
Card sample
#bb3333 text on a white background
contrast 5.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #bb3333;
Background color
Panel with #bb3333 background
background-color: #bb3333;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #bb3333;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(187, 51, 51, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(187, 51, 51, 0.45);
Border & gradient
Gradient panel
border: 3px solid #bb3333; background: linear-gradient(135deg, #bb3333, #BB8E33);