#3f1721
a deep, vivid red · warm · closest name: black
RGB
63, 23, 33
HSL
345°, 47%, 17%
CMYK
0, 64, 48, 75
Luminance
0.0178
Every format
| HEX | #3f1721 |
| RGB | rgb(63, 23, 33) |
| HSL | hsl(345, 47%, 17%) |
| CMYK | cmyk(0%, 64%, 48%, 75%) |
| LAB | lab(14.3 20.7 2.8) |
| LCH | lch(14.3 20.9 7.7) |
| OKLCH | oklch(0.269 0.063 6.7) |
Copy-ready code
/* CSS */
color: #3f1721;
background-color: #3f1721;
/* Tailwind (arbitrary) */
class="text-[#3f1721] bg-[#3f1721]"
/* SCSS */
$brand: #3f1721;
/* SwiftUI */
Color(red: 0.247, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#3f1721")Accessibility — WCAG contrast
Aa
#3f1721 on white: 15.49:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f1721 on black: 1.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green9.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta63.5%
Yellow47.6%
Key (black)75.3%
Color previews
#3f1721 text on a black background
contrast 1.36:1
Card sample
#3f1721 text on a white background
contrast 15.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f1721;
Background color
Panel with #3f1721 background
background-color: #3f1721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f1721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f1721; background: linear-gradient(135deg, #3f1721, #3F2817);