#d51e21
a balanced, electric red · warm · closest name: crimson
RGB
213, 30, 33
HSL
359°, 75%, 48%
CMYK
0, 86, 85, 17
Luminance
0.1518
Every format
| HEX | #d51e21 |
| RGB | rgb(213, 30, 33) |
| HSL | hsl(359, 75%, 48%) |
| CMYK | cmyk(0%, 86%, 85%, 17%) |
| LAB | lab(45.9 66.6 47.1) |
| LCH | lch(45.9 81.6 35.2) |
| OKLCH | oklch(0.559 0.214 27.2) |
Copy-ready code
/* CSS */
color: #d51e21;
background-color: #d51e21;
/* Tailwind (arbitrary) */
class="text-[#d51e21] bg-[#d51e21]"
/* SCSS */
$brand: #d51e21;
/* SwiftUI */
Color(red: 0.835, green: 0.118, blue: 0.129)
/* Android */
Color.parseColor("#d51e21")Accessibility — WCAG contrast
Aa
#d51e21 on white: 5.20:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#d51e21 on black: 4.04:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red83.5%
Green11.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta85.9%
Yellow84.5%
Key (black)16.5%
Color previews
#d51e21 text on a black background
contrast 4.04:1
Card sample
#d51e21 text on a white background
contrast 5.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #d51e21;
Background color
Panel with #d51e21 background
background-color: #d51e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #d51e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(213, 30, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(213, 30, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #d51e21; background: linear-gradient(135deg, #d51e21, #D5951E);