#ac1b13
a dark, electric red · warm · closest name: firebrick
RGB
172, 27, 19
HSL
3°, 80%, 38%
CMYK
0, 84, 89, 33
Luminance
0.0960
Every format
| HEX | #ac1b13 |
| RGB | rgb(172, 27, 19) |
| HSL | hsl(3, 80%, 38%) |
| CMYK | cmyk(0%, 84%, 89%, 33%) |
| LAB | lab(37.1 55.6 43.1) |
| LCH | lch(37.1 70.4 37.8) |
| OKLCH | oklch(0.479 0.180 29.2) |
Copy-ready code
/* CSS */
color: #ac1b13;
background-color: #ac1b13;
/* Tailwind (arbitrary) */
class="text-[#ac1b13] bg-[#ac1b13]"
/* SCSS */
$brand: #ac1b13;
/* SwiftUI */
Color(red: 0.675, green: 0.106, blue: 0.075)
/* Android */
Color.parseColor("#ac1b13")Accessibility — WCAG contrast
Aa
#ac1b13 on white: 7.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ac1b13 on black: 2.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green10.6%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta84.3%
Yellow89.0%
Key (black)32.5%
Color previews
#ac1b13 text on a black background
contrast 2.92:1
Card sample
#ac1b13 text on a white background
contrast 7.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac1b13;
Background color
Panel with #ac1b13 background
background-color: #ac1b13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac1b13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 27, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 27, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac1b13; background: linear-gradient(135deg, #ac1b13, #AC8113);