#a03b21
a dark, vivid red · warm · closest name: sienna
RGB
160, 59, 33
HSL
12°, 66%, 38%
CMYK
0, 63, 79, 37
Luminance
0.1071
Every format
| HEX | #a03b21 |
| RGB | rgb(160, 59, 33) |
| HSL | hsl(12, 66%, 38%) |
| CMYK | cmyk(0%, 63%, 79%, 37%) |
| LAB | lab(39.1 40.5 37.1) |
| LCH | lch(39.1 54.9 42.4) |
| OKLCH | oklch(0.490 0.140 35.4) |
Copy-ready code
/* CSS */
color: #a03b21;
background-color: #a03b21;
/* Tailwind (arbitrary) */
class="text-[#a03b21] bg-[#a03b21]"
/* SCSS */
$brand: #a03b21;
/* SwiftUI */
Color(red: 0.627, green: 0.231, blue: 0.129)
/* Android */
Color.parseColor("#a03b21")Accessibility — WCAG contrast
Aa
#a03b21 on white: 6.68:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#a03b21 on black: 3.14:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red62.7%
Green23.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta63.1%
Yellow79.4%
Key (black)37.3%
Color previews
#a03b21 text on a black background
contrast 3.14:1
Card sample
#a03b21 text on a white background
contrast 6.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a03b21;
Background color
Panel with #a03b21 background
background-color: #a03b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a03b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(160, 59, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(160, 59, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a03b21; background: linear-gradient(135deg, #a03b21, #A09021);