#ff1111
a balanced, electric red · warm · closest name: red
RGB
255, 17, 17
HSL
0°, 100%, 53%
CMYK
0, 93, 93, 0
Luminance
0.2170
Every format
| HEX | #ff1111 |
| RGB | rgb(255, 17, 17) |
| HSL | hsl(0, 100%, 53%) |
| CMYK | cmyk(0%, 93%, 93%, 0%) |
| LAB | lab(53.7 79.0 63.1) |
| LCH | lch(53.7 101.1 38.6) |
| OKLCH | oklch(0.632 0.254 28.8) |
Copy-ready code
/* CSS */
color: #ff1111;
background-color: #ff1111;
/* Tailwind (arbitrary) */
class="text-[#ff1111] bg-[#ff1111]"
/* SCSS */
$brand: #ff1111;
/* SwiftUI */
Color(red: 1.000, green: 0.067, blue: 0.067)
/* Android */
Color.parseColor("#ff1111")Accessibility — WCAG contrast
Aa
#ff1111 on white: 3.93:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ff1111 on black: 5.34:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green6.7%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta93.3%
Yellow93.3%
Key (black)0.0%
Color previews
#ff1111 text on a black background
contrast 5.34:1
Card sample
#ff1111 text on a white background
contrast 3.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ff1111;
Background color
Panel with #ff1111 background
background-color: #ff1111;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ff1111;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 17, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 17, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ff1111; background: linear-gradient(135deg, #ff1111, #FFB011);