#a71f0c
a dark, electric red · warm · closest name: firebrick
RGB
167, 31, 12
HSL
7°, 87%, 35%
CMYK
0, 81, 93, 35
Luminance
0.0922
Every format
| HEX | #a71f0c |
| RGB | rgb(167, 31, 12) |
| HSL | hsl(7, 87%, 35%) |
| CMYK | cmyk(0%, 81%, 93%, 35%) |
| LAB | lab(36.4 53.0 45.1) |
| LCH | lch(36.4 69.6 40.4) |
| OKLCH | oklch(0.472 0.174 31.2) |
Copy-ready code
/* CSS */
color: #a71f0c;
background-color: #a71f0c;
/* Tailwind (arbitrary) */
class="text-[#a71f0c] bg-[#a71f0c]"
/* SCSS */
$brand: #a71f0c;
/* SwiftUI */
Color(red: 0.655, green: 0.122, blue: 0.047)
/* Android */
Color.parseColor("#a71f0c")Accessibility — WCAG contrast
Aa
#a71f0c on white: 7.38:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a71f0c on black: 2.84:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red65.5%
Green12.2%
Blue4.7%
CMYK percentages
Cyan0.0%
Magenta81.4%
Yellow92.8%
Key (black)34.5%
Color previews
#a71f0c text on a black background
contrast 2.84:1
Card sample
#a71f0c text on a white background
contrast 7.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a71f0c;
Background color
Panel with #a71f0c background
background-color: #a71f0c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a71f0c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(167, 31, 12, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(167, 31, 12, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a71f0c; background: linear-gradient(135deg, #a71f0c, #A7860C);