#ad280c
a dark, electric red · warm · closest name: firebrick
RGB
173, 40, 12
HSL
10°, 87%, 36%
CMYK
0, 77, 93, 32
Luminance
0.1043
Every format
| HEX | #ad280c |
| RGB | rgb(173, 40, 12) |
| HSL | hsl(10, 87%, 36%) |
| CMYK | cmyk(0%, 77%, 93%, 32%) |
| LAB | lab(38.6 52.1 47.2) |
| LCH | lch(38.6 70.3 42.2) |
| OKLCH | oklch(0.491 0.173 32.9) |
Copy-ready code
/* CSS */
color: #ad280c;
background-color: #ad280c;
/* Tailwind (arbitrary) */
class="text-[#ad280c] bg-[#ad280c]"
/* SCSS */
$brand: #ad280c;
/* SwiftUI */
Color(red: 0.678, green: 0.157, blue: 0.047)
/* Android */
Color.parseColor("#ad280c")Accessibility — WCAG contrast
Aa
#ad280c on white: 6.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ad280c on black: 3.09:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green15.7%
Blue4.7%
CMYK percentages
Cyan0.0%
Magenta76.9%
Yellow93.1%
Key (black)32.2%
Color previews
#ad280c text on a black background
contrast 3.09:1
Card sample
#ad280c text on a white background
contrast 6.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad280c;
Background color
Panel with #ad280c background
background-color: #ad280c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad280c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 40, 12, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 40, 12, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad280c; background: linear-gradient(135deg, #ad280c, #AD930C);