#fb3521
a balanced, electric red · warm · closest name: red
RGB
251, 53, 33
HSL
6°, 97%, 56%
CMYK
0, 79, 87, 2
Luminance
0.2317
Every format
| HEX | #fb3521 |
| RGB | rgb(251, 53, 33) |
| HSL | hsl(6, 97%, 56%) |
| CMYK | cmyk(0%, 79%, 87%, 2%) |
| LAB | lab(55.3 71.7 57.9) |
| LCH | lch(55.3 92.1 38.9) |
| OKLCH | oklch(0.642 0.234 30.2) |
Copy-ready code
/* CSS */
color: #fb3521;
background-color: #fb3521;
/* Tailwind (arbitrary) */
class="text-[#fb3521] bg-[#fb3521]"
/* SCSS */
$brand: #fb3521;
/* SwiftUI */
Color(red: 0.984, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#fb3521")Accessibility — WCAG contrast
Aa
#fb3521 on white: 3.73:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#fb3521 on black: 5.63:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red98.4%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta78.9%
Yellow86.9%
Key (black)1.6%
Color previews
#fb3521 text on a black background
contrast 5.63:1
Card sample
#fb3521 text on a white background
contrast 3.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fb3521;
Background color
Panel with #fb3521 background
background-color: #fb3521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fb3521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(251, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(251, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fb3521; background: linear-gradient(135deg, #fb3521, #FBC621);