#ff3311
a balanced, electric red · warm · closest name: red
RGB
255, 51, 17
HSL
9°, 100%, 53%
CMYK
0, 80, 93, 0
Luminance
0.2367
Every format
| HEX | #ff3311 |
| RGB | rgb(255, 51, 17) |
| HSL | hsl(9, 100%, 53%) |
| CMYK | cmyk(0%, 80%, 93%, 0%) |
| LAB | lab(55.8 73.1 64.3) |
| LCH | lch(55.8 97.3 41.3) |
| OKLCH | oklch(0.647 0.240 31.6) |
Copy-ready code
/* CSS */
color: #ff3311;
background-color: #ff3311;
/* Tailwind (arbitrary) */
class="text-[#ff3311] bg-[#ff3311]"
/* SCSS */
$brand: #ff3311;
/* SwiftUI */
Color(red: 1.000, green: 0.200, blue: 0.067)
/* Android */
Color.parseColor("#ff3311")Accessibility — WCAG contrast
Aa
#ff3311 on white: 3.66:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff3311 on black: 5.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green20.0%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta80.0%
Yellow93.3%
Key (black)0.0%
Color previews
#ff3311 text on a black background
contrast 5.73:1
Card sample
#ff3311 text on a white background
contrast 3.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff3311;
Background color
Panel with #ff3311 background
background-color: #ff3311;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff3311;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 51, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 51, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff3311; background: linear-gradient(135deg, #ff3311, #FFD211);