#df3739
a balanced, vivid red · warm · closest name: crimson
RGB
223, 55, 57
HSL
359°, 72%, 55%
CMYK
0, 75, 74, 13
Luminance
0.1872
Every format
| HEX | #df3739 |
| RGB | rgb(223, 55, 57) |
| HSL | hsl(359, 72%, 55%) |
| CMYK | cmyk(0%, 75%, 74%, 13%) |
| LAB | lab(50.4 63.8 39.3) |
| LCH | lch(50.4 74.9 31.6) |
| OKLCH | oklch(0.597 0.204 25.4) |
Copy-ready code
/* CSS */
color: #df3739;
background-color: #df3739;
/* Tailwind (arbitrary) */
class="text-[#df3739] bg-[#df3739]"
/* SCSS */
$brand: #df3739;
/* SwiftUI */
Color(red: 0.875, green: 0.216, blue: 0.224)
/* Android */
Color.parseColor("#df3739")Accessibility — WCAG contrast
Aa
#df3739 on white: 4.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#df3739 on black: 4.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red87.5%
Green21.6%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta75.3%
Yellow74.4%
Key (black)12.5%
Color previews
#df3739 text on a black background
contrast 4.74:1
Card sample
#df3739 text on a white background
contrast 4.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #df3739;
Background color
Panel with #df3739 background
background-color: #df3739;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #df3739;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(223, 55, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(223, 55, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #df3739; background: linear-gradient(135deg, #df3739, #DFA537);