#a13721
a dark, vivid red · warm · closest name: firebrick
RGB
161, 55, 33
HSL
10°, 66%, 38%
CMYK
0, 66, 80, 37
Luminance
0.1042
Every format
| HEX | #a13721 |
| RGB | rgb(161, 55, 33) |
| HSL | hsl(10, 66%, 38%) |
| CMYK | cmyk(0%, 66%, 80%, 37%) |
| LAB | lab(38.6 42.7 36.6) |
| LCH | lch(38.6 56.3 40.6) |
| OKLCH | oklch(0.487 0.145 33.5) |
Copy-ready code
/* CSS */
color: #a13721;
background-color: #a13721;
/* Tailwind (arbitrary) */
class="text-[#a13721] bg-[#a13721]"
/* SCSS */
$brand: #a13721;
/* SwiftUI */
Color(red: 0.631, green: 0.216, blue: 0.129)
/* Android */
Color.parseColor("#a13721")Accessibility — WCAG contrast
Aa
#a13721 on white: 6.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#a13721 on black: 3.08:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red63.1%
Green21.6%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta65.8%
Yellow79.5%
Key (black)36.9%
Color previews
#a13721 text on a black background
contrast 3.08:1
Card sample
#a13721 text on a white background
contrast 6.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a13721;
Background color
Panel with #a13721 background
background-color: #a13721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a13721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(161, 55, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(161, 55, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a13721; background: linear-gradient(135deg, #a13721, #A18C21);