#a81f0f
a dark, electric red · warm · closest name: firebrick
RGB
168, 31, 15
HSL
6°, 84%, 36%
CMYK
0, 82, 91, 34
Luminance
0.0934
Every format
| HEX | #a81f0f |
| RGB | rgb(168, 31, 15) |
| HSL | hsl(6, 84%, 36%) |
| CMYK | cmyk(0%, 82%, 91%, 34%) |
| LAB | lab(36.6 53.3 44.2) |
| LCH | lch(36.6 69.3 39.6) |
| OKLCH | oklch(0.474 0.174 30.7) |
Copy-ready code
/* CSS */
color: #a81f0f;
background-color: #a81f0f;
/* Tailwind (arbitrary) */
class="text-[#a81f0f] bg-[#a81f0f]"
/* SCSS */
$brand: #a81f0f;
/* SwiftUI */
Color(red: 0.659, green: 0.122, blue: 0.059)
/* Android */
Color.parseColor("#a81f0f")Accessibility — WCAG contrast
Aa
#a81f0f on white: 7.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a81f0f on black: 2.87:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red65.9%
Green12.2%
Blue5.9%
CMYK percentages
Cyan0.0%
Magenta81.5%
Yellow91.1%
Key (black)34.1%
Color previews
#a81f0f text on a black background
contrast 2.87:1
Card sample
#a81f0f text on a white background
contrast 7.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a81f0f;
Background color
Panel with #a81f0f background
background-color: #a81f0f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a81f0f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(168, 31, 15, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(168, 31, 15, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a81f0f; background: linear-gradient(135deg, #a81f0f, #A8850F);