#a13921
a dark, vivid red · warm · closest name: sienna
RGB
161, 57, 33
HSL
11°, 66%, 38%
CMYK
0, 65, 80, 37
Luminance
0.1061
Every format
| HEX | #a13921 |
| RGB | rgb(161, 57, 33) |
| HSL | hsl(11, 66%, 38%) |
| CMYK | cmyk(0%, 65%, 80%, 37%) |
| LAB | lab(38.9 41.8 36.9) |
| LCH | lch(38.9 55.8 41.5) |
| OKLCH | oklch(0.489 0.143 34.4) |
Copy-ready code
/* CSS */
color: #a13921;
background-color: #a13921;
/* Tailwind (arbitrary) */
class="text-[#a13921] bg-[#a13921]"
/* SCSS */
$brand: #a13921;
/* SwiftUI */
Color(red: 0.631, green: 0.224, blue: 0.129)
/* Android */
Color.parseColor("#a13921")Accessibility — WCAG contrast
Aa
#a13921 on white: 6.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#a13921 on black: 3.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red63.1%
Green22.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta64.6%
Yellow79.5%
Key (black)36.9%
Color previews
#a13921 text on a black background
contrast 3.12:1
Card sample
#a13921 text on a white background
contrast 6.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a13921;
Background color
Panel with #a13921 background
background-color: #a13921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a13921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(161, 57, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(161, 57, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a13921; background: linear-gradient(135deg, #a13921, #A18E21);