#ac0a13
a dark, electric red · warm · closest name: firebrick
RGB
172, 10, 19
HSL
357°, 89%, 36%
CMYK
0, 94, 89, 33
Luminance
0.0903
Every format
| HEX | #ac0a13 |
| RGB | rgb(172, 10, 19) |
| HSL | hsl(357, 89%, 36%) |
| CMYK | cmyk(0%, 94%, 89%, 33%) |
| LAB | lab(36.1 58.7 42.3) |
| LCH | lch(36.1 72.3 35.8) |
| OKLCH | oklch(0.471 0.188 27.2) |
Copy-ready code
/* CSS */
color: #ac0a13;
background-color: #ac0a13;
/* Tailwind (arbitrary) */
class="text-[#ac0a13] bg-[#ac0a13]"
/* SCSS */
$brand: #ac0a13;
/* SwiftUI */
Color(red: 0.675, green: 0.039, blue: 0.075)
/* Android */
Color.parseColor("#ac0a13")Accessibility — WCAG contrast
Aa
#ac0a13 on white: 7.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ac0a13 on black: 2.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green3.9%
Blue7.5%
CMYK percentages
Cyan0.0%
Magenta94.2%
Yellow89.0%
Key (black)32.5%
Color previews
#ac0a13 text on a black background
contrast 2.81:1
Card sample
#ac0a13 text on a white background
contrast 7.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac0a13;
Background color
Panel with #ac0a13 background
background-color: #ac0a13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac0a13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 10, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 10, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac0a13; background: linear-gradient(135deg, #ac0a13, #AC6D0A);