#ac021f
a dark, electric red · warm · closest name: firebrick
RGB
172, 2, 31
HSL
350°, 98%, 34%
CMYK
0, 99, 82, 33
Luminance
0.0891
Every format
| HEX | #ac021f |
| RGB | rgb(172, 2, 31) |
| HSL | hsl(350, 98%, 34%) |
| CMYK | cmyk(0%, 99%, 82%, 33%) |
| LAB | lab(35.8 59.9 35.6) |
| LCH | lch(35.8 69.7 30.8) |
| OKLCH | oklch(0.470 0.189 23.7) |
Copy-ready code
/* CSS */
color: #ac021f;
background-color: #ac021f;
/* Tailwind (arbitrary) */
class="text-[#ac021f] bg-[#ac021f]"
/* SCSS */
$brand: #ac021f;
/* SwiftUI */
Color(red: 0.675, green: 0.008, blue: 0.122)
/* Android */
Color.parseColor("#ac021f")Accessibility — WCAG contrast
Aa
#ac021f on white: 7.55:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#ac021f on black: 2.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.5%
Green0.8%
Blue12.2%
CMYK percentages
Cyan0.0%
Magenta98.8%
Yellow82.0%
Key (black)32.5%
Color previews
#ac021f text on a black background
contrast 2.78:1
Card sample
#ac021f text on a white background
contrast 7.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ac021f;
Background color
Panel with #ac021f background
background-color: #ac021f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ac021f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(172, 2, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 2, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac021f; background: linear-gradient(135deg, #ac021f, #AC5602);