#a42321
a dark, vivid red · warm · closest name: firebrick
RGB
164, 35, 33
HSL
1°, 67%, 39%
CMYK
0, 79, 80, 36
Luminance
0.0920
Every format
| HEX | #a42321 |
| RGB | rgb(164, 35, 33) |
| HSL | hsl(1, 67%, 39%) |
| CMYK | cmyk(0%, 79%, 80%, 36%) |
| LAB | lab(36.4 51.4 34.5) |
| LCH | lch(36.4 61.9 33.9) |
| OKLCH | oklch(0.471 0.166 27.0) |
Copy-ready code
/* CSS */
color: #a42321;
background-color: #a42321;
/* Tailwind (arbitrary) */
class="text-[#a42321] bg-[#a42321]"
/* SCSS */
$brand: #a42321;
/* SwiftUI */
Color(red: 0.643, green: 0.137, blue: 0.129)
/* Android */
Color.parseColor("#a42321")Accessibility — WCAG contrast
Aa
#a42321 on white: 7.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a42321 on black: 2.84:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red64.3%
Green13.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta78.7%
Yellow79.9%
Key (black)35.7%
Color previews
#a42321 text on a black background
contrast 2.84:1
Card sample
#a42321 text on a white background
contrast 7.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a42321;
Background color
Panel with #a42321 background
background-color: #a42321;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a42321;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(164, 35, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 35, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a42321; background: linear-gradient(135deg, #a42321, #A47A21);