#ac3339
a dark, vivid red · warm · closest name: firebrick
RGB
172, 51, 57
HSL
357°, 54%, 44%
CMYK
0, 70, 67, 33
Luminance
0.1143
Every format
| HEX | #ac3339 |
| RGB | rgb(172, 51, 57) |
| HSL | hsl(357, 54%, 44%) |
| CMYK | cmyk(0%, 70%, 67%, 33%) |
| LAB | lab(40.3 49.3 25.1) |
| LCH | lch(40.3 55.3 26.9) |
| OKLCH | oklch(0.504 0.157 22.2) |
Copy-ready code
/* CSS */
color: #ac3339;
background-color: #ac3339;
/* Tailwind (arbitrary) */
class="text-[#ac3339] bg-[#ac3339]"
/* SCSS */
$brand: #ac3339;
/* SwiftUI */
Color(red: 0.675, green: 0.200, blue: 0.224)
/* Android */
Color.parseColor("#ac3339")Accessibility — WCAG contrast
Aa
#ac3339 on white: 6.39:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ac3339 on black: 3.29:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green20.0%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta70.3%
Yellow66.9%
Key (black)32.5%
Color previews
#ac3339 text on a black background
contrast 3.29:1
Card sample
#ac3339 text on a white background
contrast 6.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac3339;
Background color
Panel with #ac3339 background
background-color: #ac3339;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac3339;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 51, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 51, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac3339; background: linear-gradient(135deg, #ac3339, #AC7E33);