#a71c01
a dark, electric red · warm · closest name: firebrick
RGB
167, 28, 1
HSL
10°, 99%, 33%
CMYK
0, 83, 99, 35
Luminance
0.0905
Every format
| HEX | #a71c01 |
| RGB | rgb(167, 28, 1) |
| HSL | hsl(10, 99%, 33%) |
| CMYK | cmyk(0%, 83%, 99%, 35%) |
| LAB | lab(36.1 53.6 49.1) |
| LCH | lch(36.1 72.7 42.5) |
| OKLCH | oklch(0.470 0.176 32.2) |
Copy-ready code
/* CSS */
color: #a71c01;
background-color: #a71c01;
/* Tailwind (arbitrary) */
class="text-[#a71c01] bg-[#a71c01]"
/* SCSS */
$brand: #a71c01;
/* SwiftUI */
Color(red: 0.655, green: 0.110, blue: 0.004)
/* Android */
Color.parseColor("#a71c01")Accessibility — WCAG contrast
Aa
#a71c01 on white: 7.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#a71c01 on black: 2.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red65.5%
Green11.0%
Blue0.4%
CMYK percentages
Cyan0.0%
Magenta83.2%
Yellow99.4%
Key (black)34.5%
Color previews
#a71c01 text on a black background
contrast 2.81:1
Card sample
#a71c01 text on a white background
contrast 7.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #a71c01;
Background color
Panel with #a71c01 background
background-color: #a71c01;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #a71c01;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(167, 28, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(167, 28, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a71c01; background: linear-gradient(135deg, #a71c01, #A78B01);