#ac3b2c
a dark, vivid red · warm · closest name: firebrick
RGB
172, 59, 44
HSL
7°, 59%, 42%
CMYK
0, 66, 74, 33
Luminance
0.1208
Every format
| HEX | #ac3b2c |
| RGB | rgb(172, 59, 44) |
| HSL | hsl(7, 59%, 42%) |
| CMYK | cmyk(0%, 66%, 74%, 33%) |
| LAB | lab(41.4 45.3 34.0) |
| LCH | lch(41.4 56.7 36.9) |
| OKLCH | oklch(0.512 0.151 30.5) |
Copy-ready code
/* CSS */
color: #ac3b2c;
background-color: #ac3b2c;
/* Tailwind (arbitrary) */
class="text-[#ac3b2c] bg-[#ac3b2c]"
/* SCSS */
$brand: #ac3b2c;
/* SwiftUI */
Color(red: 0.675, green: 0.231, blue: 0.173)
/* Android */
Color.parseColor("#ac3b2c")Accessibility — WCAG contrast
Aa
#ac3b2c on white: 6.15:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac3b2c on black: 3.42:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green23.1%
Blue17.3%
CMYK percentages
Cyan0.0%
Magenta65.7%
Yellow74.4%
Key (black)32.5%
Color previews
#ac3b2c text on a black background
contrast 3.42:1
Card sample
#ac3b2c text on a white background
contrast 6.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac3b2c;
Background color
Panel with #ac3b2c background
background-color: #ac3b2c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac3b2c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 59, 44, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 59, 44, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac3b2c; background: linear-gradient(135deg, #ac3b2c, #AC902C);