#aa001c
a dark, electric red · warm · closest name: firebrick
RGB
170, 0, 28
HSL
350°, 100%, 33%
CMYK
0, 100, 84, 33
Luminance
0.0863
Every format
| HEX | #aa001c |
| RGB | rgb(170, 0, 28) |
| HSL | hsl(350, 100%, 33%) |
| CMYK | cmyk(0%, 100%, 84%, 33%) |
| LAB | lab(35.3 59.6 36.7) |
| LCH | lch(35.3 70.0 31.6) |
| OKLCH | oklch(0.465 0.188 24.3) |
Copy-ready code
/* CSS */
color: #aa001c;
background-color: #aa001c;
/* Tailwind (arbitrary) */
class="text-[#aa001c] bg-[#aa001c]"
/* SCSS */
$brand: #aa001c;
/* SwiftUI */
Color(red: 0.667, green: 0.000, blue: 0.110)
/* Android */
Color.parseColor("#aa001c")Accessibility — WCAG contrast
Aa
#aa001c on white: 7.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#aa001c on black: 2.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red66.7%
Green0.0%
Blue11.0%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow83.5%
Key (black)33.3%
Color previews
#aa001c text on a black background
contrast 2.73:1
Card sample
#aa001c text on a white background
contrast 7.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #aa001c;
Background color
Panel with #aa001c background
background-color: #aa001c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #aa001c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(170, 0, 28, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(170, 0, 28, 0.45);
Border & gradient
Gradient panel
border: 3px solid #aa001c; background: linear-gradient(135deg, #aa001c, #AA5500);