#ac1f2c
a dark, vivid red · warm · closest name: firebrick
RGB
172, 31, 44
HSL
355°, 70%, 40%
CMYK
0, 82, 74, 33
Luminance
0.0993
Every format
| HEX | #ac1f2c |
| RGB | rgb(172, 31, 44) |
| HSL | hsl(355, 70%, 40%) |
| CMYK | cmyk(0%, 82%, 74%, 33%) |
| LAB | lab(37.7 55.3 29.9) |
| LCH | lch(37.7 62.9 28.4) |
| OKLCH | oklch(0.485 0.175 22.7) |
Copy-ready code
/* CSS */
color: #ac1f2c;
background-color: #ac1f2c;
/* Tailwind (arbitrary) */
class="text-[#ac1f2c] bg-[#ac1f2c]"
/* SCSS */
$brand: #ac1f2c;
/* SwiftUI */
Color(red: 0.675, green: 0.122, blue: 0.173)
/* Android */
Color.parseColor("#ac1f2c")Accessibility — WCAG contrast
Aa
#ac1f2c on white: 7.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ac1f2c on black: 2.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green12.2%
Blue17.3%
CMYK percentages
Cyan0.0%
Magenta82.0%
Yellow74.4%
Key (black)32.5%
Color previews
#ac1f2c text on a black background
contrast 2.99:1
Card sample
#ac1f2c text on a white background
contrast 7.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac1f2c;
Background color
Panel with #ac1f2c background
background-color: #ac1f2c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac1f2c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 31, 44, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 31, 44, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac1f2c; background: linear-gradient(135deg, #ac1f2c, #AC701F);