#ad0803
a dark, electric red · warm · closest name: firebrick
RGB
173, 8, 3
HSL
2°, 97%, 35%
CMYK
0, 95, 98, 32
Luminance
0.0906
Every format
| HEX | #ad0803 |
| RGB | rgb(173, 8, 3) |
| HSL | hsl(2, 97%, 35%) |
| CMYK | cmyk(0%, 95%, 98%, 32%) |
| LAB | lab(36.1 59.0 49.1) |
| LCH | lch(36.1 76.7 39.8) |
| OKLCH | oklch(0.472 0.190 29.4) |
Copy-ready code
/* CSS */
color: #ad0803;
background-color: #ad0803;
/* Tailwind (arbitrary) */
class="text-[#ad0803] bg-[#ad0803]"
/* SCSS */
$brand: #ad0803;
/* SwiftUI */
Color(red: 0.678, green: 0.031, blue: 0.012)
/* Android */
Color.parseColor("#ad0803")Accessibility — WCAG contrast
Aa
#ad0803 on white: 7.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ad0803 on black: 2.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green3.1%
Blue1.2%
CMYK percentages
Cyan0.0%
Magenta95.4%
Yellow98.3%
Key (black)32.2%
Color previews
#ad0803 text on a black background
contrast 2.81:1
Card sample
#ad0803 text on a white background
contrast 7.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad0803;
Background color
Panel with #ad0803 background
background-color: #ad0803;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad0803;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 8, 3, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 8, 3, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad0803; background: linear-gradient(135deg, #ad0803, #AD7903);