#ac0018
a dark, electric red · warm · closest name: firebrick
RGB
172, 0, 24
HSL
352°, 100%, 34%
CMYK
0, 100, 86, 33
Luminance
0.0884
Every format
| HEX | #ac0018 |
| RGB | rgb(172, 0, 24) |
| HSL | hsl(352, 100%, 34%) |
| CMYK | cmyk(0%, 100%, 86%, 33%) |
| LAB | lab(35.7 60.0 39.4) |
| LCH | lch(35.7 71.8 33.3) |
| OKLCH | oklch(0.469 0.190 25.4) |
Copy-ready code
/* CSS */
color: #ac0018;
background-color: #ac0018;
/* Tailwind (arbitrary) */
class="text-[#ac0018] bg-[#ac0018]"
/* SCSS */
$brand: #ac0018;
/* SwiftUI */
Color(red: 0.675, green: 0.000, blue: 0.094)
/* Android */
Color.parseColor("#ac0018")Accessibility — WCAG contrast
Aa
#ac0018 on white: 7.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ac0018 on black: 2.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green0.0%
Blue9.4%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow86.0%
Key (black)32.5%
Color previews
#ac0018 text on a black background
contrast 2.77:1
Card sample
#ac0018 text on a white background
contrast 7.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac0018;
Background color
Panel with #ac0018 background
background-color: #ac0018;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac0018;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 0, 24, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 0, 24, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac0018; background: linear-gradient(135deg, #ac0018, #AC5B00);