#ff3911
a balanced, electric red · warm · closest name: red
RGB
255, 57, 17
HSL
10°, 100%, 53%
CMYK
0, 78, 93, 0
Luminance
0.2423
Every format
| HEX | #ff3911 |
| RGB | rgb(255, 57, 17) |
| HSL | hsl(10, 100%, 53%) |
| CMYK | cmyk(0%, 78%, 93%, 0%) |
| LAB | lab(56.3 71.5 64.6) |
| LCH | lch(56.3 96.4 42.1) |
| OKLCH | oklch(0.651 0.236 32.4) |
Copy-ready code
/* CSS */
color: #ff3911;
background-color: #ff3911;
/* Tailwind (arbitrary) */
class="text-[#ff3911] bg-[#ff3911]"
/* SCSS */
$brand: #ff3911;
/* SwiftUI */
Color(red: 1.000, green: 0.224, blue: 0.067)
/* Android */
Color.parseColor("#ff3911")Accessibility — WCAG contrast
Aa
#ff3911 on white: 3.59:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff3911 on black: 5.85:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green22.4%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta77.6%
Yellow93.3%
Key (black)0.0%
Color previews
#ff3911 text on a black background
contrast 5.85:1
Card sample
#ff3911 text on a white background
contrast 3.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff3911;
Background color
Panel with #ff3911 background
background-color: #ff3911;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff3911;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 57, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 57, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff3911; background: linear-gradient(135deg, #ff3911, #FFD811);