#df0421
a dark, electric red · warm · closest name: crimson
RGB
223, 4, 33
HSL
352°, 97%, 45%
CMYK
0, 98, 85, 13
Luminance
0.1588
Every format
| HEX | #df0421 |
| RGB | rgb(223, 4, 33) |
| HSL | hsl(352, 97%, 45%) |
| CMYK | cmyk(0%, 98%, 85%, 13%) |
| LAB | lab(46.8 72.4 48.7) |
| LCH | lch(46.8 87.3 33.9) |
| OKLCH | oklch(0.570 0.230 25.8) |
Copy-ready code
/* CSS */
color: #df0421;
background-color: #df0421;
/* Tailwind (arbitrary) */
class="text-[#df0421] bg-[#df0421]"
/* SCSS */
$brand: #df0421;
/* SwiftUI */
Color(red: 0.875, green: 0.016, blue: 0.129)
/* Android */
Color.parseColor("#df0421")Accessibility — WCAG contrast
Aa
#df0421 on white: 5.03:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#df0421 on black: 4.18:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red87.5%
Green1.6%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta98.2%
Yellow85.2%
Key (black)12.5%
Color previews
#df0421 text on a black background
contrast 4.18:1
Card sample
#df0421 text on a white background
contrast 5.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #df0421;
Background color
Panel with #df0421 background
background-color: #df0421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #df0421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(223, 4, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(223, 4, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #df0421; background: linear-gradient(135deg, #df0421, #DF7904);