#ad0010
a dark, electric red · warm · closest name: firebrick
RGB
173, 0, 16
HSL
355°, 100%, 34%
CMYK
0, 100, 91, 32
Luminance
0.0892
Every format
| HEX | #ad0010 |
| RGB | rgb(173, 0, 16) |
| HSL | hsl(355, 100%, 34%) |
| CMYK | cmyk(0%, 100%, 91%, 32%) |
| LAB | lab(35.8 60.1 43.7) |
| LCH | lch(35.8 74.3 36.0) |
| OKLCH | oklch(0.470 0.192 27.0) |
Copy-ready code
/* CSS */
color: #ad0010;
background-color: #ad0010;
/* Tailwind (arbitrary) */
class="text-[#ad0010] bg-[#ad0010]"
/* SCSS */
$brand: #ad0010;
/* SwiftUI */
Color(red: 0.678, green: 0.000, blue: 0.063)
/* Android */
Color.parseColor("#ad0010")Accessibility — WCAG contrast
Aa
#ad0010 on white: 7.54:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ad0010 on black: 2.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green0.0%
Blue6.3%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow90.8%
Key (black)32.2%
Color previews
#ad0010 text on a black background
contrast 2.78:1
Card sample
#ad0010 text on a white background
contrast 7.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad0010;
Background color
Panel with #ad0010 background
background-color: #ad0010;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad0010;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 0, 16, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 0, 16, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad0010; background: linear-gradient(135deg, #ad0010, #AD6300);