#a12821
a dark, vivid red · warm · closest name: firebrick
RGB
161, 40, 33
HSL
3°, 66%, 38%
CMYK
0, 75, 80, 37
Luminance
0.0920
Every format
| HEX | #a12821 |
| RGB | rgb(161, 40, 33) |
| HSL | hsl(3, 66%, 38%) |
| CMYK | cmyk(0%, 75%, 80%, 37%) |
| LAB | lab(36.4 48.8 34.3) |
| LCH | lch(36.4 59.6 35.1) |
| OKLCH | oklch(0.470 0.159 28.2) |
Copy-ready code
/* CSS */
color: #a12821;
background-color: #a12821;
/* Tailwind (arbitrary) */
class="text-[#a12821] bg-[#a12821]"
/* SCSS */
$brand: #a12821;
/* SwiftUI */
Color(red: 0.631, green: 0.157, blue: 0.129)
/* Android */
Color.parseColor("#a12821")Accessibility — WCAG contrast
Aa
#a12821 on white: 7.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a12821 on black: 2.84:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red63.1%
Green15.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta75.2%
Yellow79.5%
Key (black)36.9%
Color previews
#a12821 text on a black background
contrast 2.84:1
Card sample
#a12821 text on a white background
contrast 7.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a12821;
Background color
Panel with #a12821 background
background-color: #a12821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a12821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(161, 40, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(161, 40, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a12821; background: linear-gradient(135deg, #a12821, #A17D21);