#ac3f2f
a dark, vivid red · warm · closest name: firebrick
RGB
172, 63, 47
HSL
8°, 57%, 43%
CMYK
0, 63, 73, 33
Luminance
0.1253
Every format
| HEX | #ac3f2f |
| RGB | rgb(172, 63, 47) |
| HSL | hsl(8, 57%, 43%) |
| CMYK | cmyk(0%, 63%, 73%, 33%) |
| LAB | lab(42.0 43.7 33.1) |
| LCH | lch(42.0 54.8 37.1) |
| OKLCH | oklch(0.517 0.146 30.9) |
Copy-ready code
/* CSS */
color: #ac3f2f;
background-color: #ac3f2f;
/* Tailwind (arbitrary) */
class="text-[#ac3f2f] bg-[#ac3f2f]"
/* SCSS */
$brand: #ac3f2f;
/* SwiftUI */
Color(red: 0.675, green: 0.247, blue: 0.184)
/* Android */
Color.parseColor("#ac3f2f")Accessibility — WCAG contrast
Aa
#ac3f2f on white: 5.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac3f2f on black: 3.51:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green24.7%
Blue18.4%
CMYK percentages
Cyan0.0%
Magenta63.4%
Yellow72.7%
Key (black)32.5%
Color previews
#ac3f2f text on a black background
contrast 3.51:1
Card sample
#ac3f2f text on a white background
contrast 5.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac3f2f;
Background color
Panel with #ac3f2f background
background-color: #ac3f2f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac3f2f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 63, 47, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 63, 47, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac3f2f; background: linear-gradient(135deg, #ac3f2f, #AC922F);