#a42621
a dark, vivid red · warm · closest name: firebrick
RGB
164, 38, 33
HSL
2°, 67%, 39%
CMYK
0, 77, 80, 36
Luminance
0.0939
Every format
| HEX | #a42621 |
| RGB | rgb(164, 38, 33) |
| HSL | hsl(2, 67%, 39%) |
| CMYK | cmyk(0%, 77%, 80%, 36%) |
| LAB | lab(36.7 50.4 34.9) |
| LCH | lch(36.7 61.3 34.7) |
| OKLCH | oklch(0.474 0.163 27.7) |
Copy-ready code
/* CSS */
color: #a42621;
background-color: #a42621;
/* Tailwind (arbitrary) */
class="text-[#a42621] bg-[#a42621]"
/* SCSS */
$brand: #a42621;
/* SwiftUI */
Color(red: 0.643, green: 0.149, blue: 0.129)
/* Android */
Color.parseColor("#a42621")Accessibility — WCAG contrast
Aa
#a42621 on white: 7.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a42621 on black: 2.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red64.3%
Green14.9%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta76.8%
Yellow79.9%
Key (black)35.7%
Color previews
#a42621 text on a black background
contrast 2.88:1
Card sample
#a42621 text on a white background
contrast 7.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a42621;
Background color
Panel with #a42621 background
background-color: #a42621;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a42621;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(164, 38, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 38, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a42621; background: linear-gradient(135deg, #a42621, #A47D21);