#d52521
a balanced, vivid red · warm · closest name: crimson
RGB
213, 37, 33
HSL
1°, 73%, 48%
CMYK
0, 83, 85, 17
Luminance
0.1558
Every format
| HEX | #d52521 |
| RGB | rgb(213, 37, 33) |
| HSL | hsl(1, 73%, 48%) |
| CMYK | cmyk(0%, 83%, 85%, 17%) |
| LAB | lab(46.4 65.1 47.5) |
| LCH | lch(46.4 80.6 36.1) |
| OKLCH | oklch(0.563 0.210 28.1) |
Copy-ready code
/* CSS */
color: #d52521;
background-color: #d52521;
/* Tailwind (arbitrary) */
class="text-[#d52521] bg-[#d52521]"
/* SCSS */
$brand: #d52521;
/* SwiftUI */
Color(red: 0.835, green: 0.145, blue: 0.129)
/* Android */
Color.parseColor("#d52521")Accessibility — WCAG contrast
Aa
#d52521 on white: 5.10:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#d52521 on black: 4.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red83.5%
Green14.5%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta82.6%
Yellow84.5%
Key (black)16.5%
Color previews
#d52521 text on a black background
contrast 4.12:1
Card sample
#d52521 text on a white background
contrast 5.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #d52521;
Background color
Panel with #d52521 background
background-color: #d52521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #d52521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(213, 37, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(213, 37, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #d52521; background: linear-gradient(135deg, #d52521, #D59D21);