#ad3f3f
a balanced, vivid red · warm · closest name: firebrick
RGB
173, 63, 63
HSL
0°, 47%, 46%
CMYK
0, 64, 64, 32
Luminance
0.1280
Every format
| HEX | #ad3f3f |
| RGB | rgb(173, 63, 63) |
| HSL | hsl(0, 47%, 46%) |
| CMYK | cmyk(0%, 64%, 64%, 32%) |
| LAB | lab(42.5 45.0 24.2) |
| LCH | lch(42.5 51.0 28.3) |
| OKLCH | oklch(0.521 0.144 23.6) |
Copy-ready code
/* CSS */
color: #ad3f3f;
background-color: #ad3f3f;
/* Tailwind (arbitrary) */
class="text-[#ad3f3f] bg-[#ad3f3f]"
/* SCSS */
$brand: #ad3f3f;
/* SwiftUI */
Color(red: 0.678, green: 0.247, blue: 0.247)
/* Android */
Color.parseColor("#ad3f3f")Accessibility — WCAG contrast
Aa
#ad3f3f on white: 5.90:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#ad3f3f on black: 3.56:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red67.8%
Green24.7%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta63.6%
Yellow63.6%
Key (black)32.2%
Color previews
#ad3f3f text on a black background
contrast 3.56:1
Card sample
#ad3f3f text on a white background
contrast 5.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ad3f3f;
Background color
Panel with #ad3f3f background
background-color: #ad3f3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ad3f3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(173, 63, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(173, 63, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ad3f3f; background: linear-gradient(135deg, #ad3f3f, #AD883F);