#af0000
a dark, electric red · warm · closest name: firebrick
RGB
175, 0, 0
HSL
0°, 100%, 34%
CMYK
0, 100, 100, 31
Luminance
0.0911
Every format
| HEX | #af0000 |
| RGB | rgb(175, 0, 0) |
| HSL | hsl(0, 100%, 34%) |
| CMYK | cmyk(0%, 100%, 100%, 31%) |
| LAB | lab(36.2 60.4 50.6) |
| LCH | lch(36.2 78.8 39.9) |
| OKLCH | oklch(0.473 0.194 29.2) |
Copy-ready code
/* CSS */
color: #af0000;
background-color: #af0000;
/* Tailwind (arbitrary) */
class="text-[#af0000] bg-[#af0000]"
/* SCSS */
$brand: #af0000;
/* SwiftUI */
Color(red: 0.686, green: 0.000, blue: 0.000)
/* Android */
Color.parseColor("#af0000")Accessibility — WCAG contrast
Aa
#af0000 on white: 7.44:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#af0000 on black: 2.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red68.6%
Green0.0%
Blue0.0%
CMYK percentages
Cyan0.0%
Magenta100.0%
Yellow100.0%
Key (black)31.4%
Color previews
#af0000 text on a black background
contrast 2.82:1
Card sample
#af0000 text on a white background
contrast 7.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #af0000;
Background color
Panel with #af0000 background
background-color: #af0000;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #af0000;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(175, 0, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(175, 0, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #af0000; background: linear-gradient(135deg, #af0000, #AF7500);