#df0100
a dark, electric red · warm · closest name: red
RGB
223, 1, 0
HSL
0°, 100%, 44%
CMYK
0, 100, 100, 13
Luminance
0.1571
Every format
| HEX | #df0100 |
| RGB | rgb(223, 1, 0) |
| HSL | hsl(0, 100%, 44%) |
| CMYK | cmyk(0%, 100%, 100%, 13%) |
| LAB | lab(46.6 72.3 60.7) |
| LCH | lch(46.6 94.4 40.0) |
| OKLCH | oklch(0.568 0.233 29.3) |
Copy-ready code
/* CSS */
color: #df0100;
background-color: #df0100;
/* Tailwind (arbitrary) */
class="text-[#df0100] bg-[#df0100]"
/* SCSS */
$brand: #df0100;
/* SwiftUI */
Color(red: 0.875, green: 0.004, blue: 0.000)
/* Android */
Color.parseColor("#df0100")Accessibility — WCAG contrast
Aa
#df0100 on white: 5.07:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#df0100 on black: 4.14:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red87.5%
Green0.4%
Blue0.0%
CMYK percentages
Cyan0.0%
Magenta99.6%
Yellow100.0%
Key (black)12.5%
Color previews
#df0100 text on a black background
contrast 4.14:1
Card sample
#df0100 text on a white background
contrast 5.07:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #df0100;
Background color
Panel with #df0100 background
background-color: #df0100;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #df0100;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(223, 1, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(223, 1, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #df0100; background: linear-gradient(135deg, #df0100, #DF9600);