#cb2821
a balanced, vivid red · warm · closest name: firebrick
RGB
203, 40, 33
HSL
3°, 72%, 46%
CMYK
0, 80, 84, 20
Luminance
0.1432
Every format
| HEX | #cb2821 |
| RGB | rgb(203, 40, 33) |
| HSL | hsl(3, 72%, 46%) |
| CMYK | cmyk(0%, 80%, 84%, 20%) |
| LAB | lab(44.7 61.5 45.3) |
| LCH | lch(44.7 76.4 36.3) |
| OKLCH | oklch(0.547 0.199 28.5) |
Copy-ready code
/* CSS */
color: #cb2821;
background-color: #cb2821;
/* Tailwind (arbitrary) */
class="text-[#cb2821] bg-[#cb2821]"
/* SCSS */
$brand: #cb2821;
/* SwiftUI */
Color(red: 0.796, green: 0.157, blue: 0.129)
/* Android */
Color.parseColor("#cb2821")Accessibility — WCAG contrast
Aa
#cb2821 on white: 5.43:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#cb2821 on black: 3.86:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red79.6%
Green15.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta80.3%
Yellow83.7%
Key (black)20.4%
Color previews
#cb2821 text on a black background
contrast 3.86:1
Card sample
#cb2821 text on a white background
contrast 5.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cb2821;
Background color
Panel with #cb2821 background
background-color: #cb2821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cb2821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(203, 40, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(203, 40, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cb2821; background: linear-gradient(135deg, #cb2821, #CB9921);