#ff3521
a balanced, electric red · warm · closest name: red
RGB
255, 53, 33
HSL
5°, 100%, 57%
CMYK
0, 79, 87, 0
Luminance
0.2392
Every format
| HEX | #ff3521 |
| RGB | rgb(255, 53, 33) |
| HSL | hsl(5, 100%, 57%) |
| CMYK | cmyk(0%, 79%, 87%, 0%) |
| LAB | lab(56.0 72.8 58.8) |
| LCH | lch(56.0 93.6 38.9) |
| OKLCH | oklch(0.649 0.238 30.2) |
Copy-ready code
/* CSS */
color: #ff3521;
background-color: #ff3521;
/* Tailwind (arbitrary) */
class="text-[#ff3521] bg-[#ff3521]"
/* SCSS */
$brand: #ff3521;
/* SwiftUI */
Color(red: 1.000, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#ff3521")Accessibility — WCAG contrast
Aa
#ff3521 on white: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff3521 on black: 5.78:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta79.2%
Yellow87.1%
Key (black)0.0%
Color previews
#ff3521 text on a black background
contrast 5.78:1
Card sample
#ff3521 text on a white background
contrast 3.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff3521;
Background color
Panel with #ff3521 background
background-color: #ff3521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff3521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff3521; background: linear-gradient(135deg, #ff3521, #FFC921);