#d50021
a dark, electric red · warm · closest name: crimson
RGB
213, 0, 33
HSL
351°, 100%, 42%
CMYK
0, 100, 85, 17
Luminance
0.1426
Every format
| HEX | #d50021 |
| RGB | rgb(213, 0, 33) |
| HSL | hsl(351, 100%, 42%) |
| CMYK | cmyk(0%, 100%, 85%, 17%) |
| LAB | lab(44.6 70.3 45.9) |
| LCH | lch(44.6 84.0 33.1) |
| OKLCH | oklch(0.550 0.223 25.3) |
Copy-ready code
/* CSS */
color: #d50021;
background-color: #d50021;
/* Tailwind (arbitrary) */
class="text-[#d50021] bg-[#d50021]"
/* SCSS */
$brand: #d50021;
/* SwiftUI */
Color(red: 0.835, green: 0.000, blue: 0.129)
/* Android */
Color.parseColor("#d50021")Accessibility — WCAG contrast
Aa
#d50021 on white: 5.45:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#d50021 on black: 3.85:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red83.5%
Green0.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow84.5%
Key (black)16.5%
Color previews
#d50021 text on a black background
contrast 3.85:1
Card sample
#d50021 text on a white background
contrast 5.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #d50021;
Background color
Panel with #d50021 background
background-color: #d50021;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #d50021;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(213, 0, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(213, 0, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #d50021; background: linear-gradient(135deg, #d50021, #D56D00);