#ac1d39
a dark, vivid red · warm · closest name: firebrick
RGB
172, 29, 57
HSL
348°, 71%, 39%
CMYK
0, 83, 67, 33
Luminance
0.0994
Every format
| HEX | #ac1d39 |
| RGB | rgb(172, 29, 57) |
| HSL | hsl(348, 71%, 39%) |
| CMYK | cmyk(0%, 83%, 67%, 33%) |
| LAB | lab(37.8 56.5 21.9) |
| LCH | lch(37.8 60.6 21.2) |
| OKLCH | oklch(0.485 0.176 17.2) |
Copy-ready code
/* CSS */
color: #ac1d39;
background-color: #ac1d39;
/* Tailwind (arbitrary) */
class="text-[#ac1d39] bg-[#ac1d39]"
/* SCSS */
$brand: #ac1d39;
/* SwiftUI */
Color(red: 0.675, green: 0.114, blue: 0.224)
/* Android */
Color.parseColor("#ac1d39")Accessibility — WCAG contrast
Aa
#ac1d39 on white: 7.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ac1d39 on black: 2.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green11.4%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta83.1%
Yellow66.9%
Key (black)32.5%
Color previews
#ac1d39 text on a black background
contrast 2.99:1
Card sample
#ac1d39 text on a white background
contrast 7.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac1d39;
Background color
Panel with #ac1d39 background
background-color: #ac1d39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac1d39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 29, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 29, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac1d39; background: linear-gradient(135deg, #ac1d39, #AC601D);