#d00521
a dark, electric red · warm · closest name: crimson
RGB
208, 5, 33
HSL
352°, 95%, 42%
CMYK
0, 98, 84, 18
Luminance
0.1363
Every format
| HEX | #d00521 |
| RGB | rgb(208, 5, 33) |
| HSL | hsl(352, 95%, 42%) |
| CMYK | cmyk(0%, 98%, 84%, 18%) |
| LAB | lab(43.7 68.7 44.7) |
| LCH | lch(43.7 82.0 33.1) |
| OKLCH | oklch(0.541 0.218 25.3) |
Copy-ready code
/* CSS */
color: #d00521;
background-color: #d00521;
/* Tailwind (arbitrary) */
class="text-[#d00521] bg-[#d00521]"
/* SCSS */
$brand: #d00521;
/* SwiftUI */
Color(red: 0.816, green: 0.020, blue: 0.129)
/* Android */
Color.parseColor("#d00521")Accessibility — WCAG contrast
Aa
#d00521 on white: 5.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#d00521 on black: 3.73:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red81.6%
Green2.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta97.6%
Yellow84.1%
Key (black)18.4%
Color previews
#d00521 text on a black background
contrast 3.73:1
Card sample
#d00521 text on a white background
contrast 5.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #d00521;
Background color
Panel with #d00521 background
background-color: #d00521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #d00521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(208, 5, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(208, 5, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #d00521; background: linear-gradient(135deg, #d00521, #D07005);