#d23521
a balanced, vivid red · warm · closest name: firebrick
RGB
210, 53, 33
HSL
7°, 73%, 48%
CMYK
0, 75, 84, 18
Luminance
0.1636
Every format
| HEX | #d23521 |
| RGB | rgb(210, 53, 33) |
| HSL | hsl(7, 73%, 48%) |
| CMYK | cmyk(0%, 75%, 84%, 18%) |
| LAB | lab(47.5 59.7 48.2) |
| LCH | lch(47.5 76.8 38.9) |
| OKLCH | oklch(0.570 0.197 30.9) |
Copy-ready code
/* CSS */
color: #d23521;
background-color: #d23521;
/* Tailwind (arbitrary) */
class="text-[#d23521] bg-[#d23521]"
/* SCSS */
$brand: #d23521;
/* SwiftUI */
Color(red: 0.824, green: 0.208, blue: 0.129)
/* Android */
Color.parseColor("#d23521")Accessibility — WCAG contrast
Aa
#d23521 on white: 4.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#d23521 on black: 4.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red82.4%
Green20.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta74.8%
Yellow84.3%
Key (black)17.6%
Color previews
#d23521 text on a black background
contrast 4.27:1
Card sample
#d23521 text on a white background
contrast 4.92:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #d23521;
Background color
Panel with #d23521 background
background-color: #d23521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #d23521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(210, 53, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(210, 53, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #d23521; background: linear-gradient(135deg, #d23521, #D2AB21);