#ac0027
a dark, electric red · warm · closest name: firebrick
RGB
172, 0, 39
HSL
346°, 100%, 34%
CMYK
0, 100, 77, 33
Luminance
0.0892
Every format
| HEX | #ac0027 |
| RGB | rgb(172, 0, 39) |
| HSL | hsl(346, 100%, 34%) |
| CMYK | cmyk(0%, 100%, 77%, 33%) |
| LAB | lab(35.8 60.4 30.9) |
| LCH | lch(35.8 67.8 27.1) |
| OKLCH | oklch(0.470 0.189 21.2) |
Copy-ready code
/* CSS */
color: #ac0027;
background-color: #ac0027;
/* Tailwind (arbitrary) */
class="text-[#ac0027] bg-[#ac0027]"
/* SCSS */
$brand: #ac0027;
/* SwiftUI */
Color(red: 0.675, green: 0.000, blue: 0.153)
/* Android */
Color.parseColor("#ac0027")Accessibility — WCAG contrast
Aa
#ac0027 on white: 7.54:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ac0027 on black: 2.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green0.0%
Blue15.3%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow77.3%
Key (black)32.5%
Color previews
#ac0027 text on a black background
contrast 2.78:1
Card sample
#ac0027 text on a white background
contrast 7.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac0027;
Background color
Panel with #ac0027 background
background-color: #ac0027;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac0027;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 0, 39, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 0, 39, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac0027; background: linear-gradient(135deg, #ac0027, #AC4C00);