#ff3511
a balanced, electric red · warm · closest name: red
RGB
255, 53, 17
HSL
9°, 100%, 53%
CMYK
0, 79, 93, 0
Luminance
0.2385
Every format
| HEX | #ff3511 |
| RGB | rgb(255, 53, 17) |
| HSL | hsl(9, 100%, 53%) |
| CMYK | cmyk(0%, 79%, 93%, 0%) |
| LAB | lab(55.9 72.6 64.4) |
| LCH | lch(55.9 97.0 41.6) |
| OKLCH | oklch(0.648 0.239 31.9) |
Copy-ready code
/* CSS */
color: #ff3511;
background-color: #ff3511;
/* Tailwind (arbitrary) */
class="text-[#ff3511] bg-[#ff3511]"
/* SCSS */
$brand: #ff3511;
/* SwiftUI */
Color(red: 1.000, green: 0.208, blue: 0.067)
/* Android */
Color.parseColor("#ff3511")Accessibility — WCAG contrast
Aa
#ff3511 on white: 3.64:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff3511 on black: 5.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green20.8%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta79.2%
Yellow93.3%
Key (black)0.0%
Color previews
#ff3511 text on a black background
contrast 5.77:1
Card sample
#ff3511 text on a white background
contrast 3.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff3511;
Background color
Panel with #ff3511 background
background-color: #ff3511;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff3511;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 53, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 53, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff3511; background: linear-gradient(135deg, #ff3511, #FFD411);