#3f3f39
a deep, muted gray · cool · closest name: darkslategray
RGB
63, 63, 57
HSL
60°, 5%, 24%
CMYK
0, 0, 10, 75
Luminance
0.0491
Every format
| HEX | #3f3f39 |
| RGB | rgb(63, 63, 57) |
| HSL | hsl(60, 5%, 24%) |
| CMYK | cmyk(0%, 0%, 10%, 75%) |
| LAB | lab(26.5 -1.3 3.7) |
| LCH | lch(26.5 3.9 109.5) |
| OKLCH | oklch(0.366 0.010 106.9) |
Copy-ready code
/* CSS */
color: #3f3f39;
background-color: #3f3f39;
/* Tailwind (arbitrary) */
class="text-[#3f3f39] bg-[#3f3f39]"
/* SCSS */
$brand: #3f3f39;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.224)
/* Android */
Color.parseColor("#3f3f39")Accessibility — WCAG contrast
Aa
#3f3f39 on white: 10.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3f39 on black: 1.98:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue22.4%
CMYK percentages
Cyan0.0%
Magenta0.0%
Yellow9.5%
Key (black)75.3%
Color previews
#3f3f39 text on a black background
contrast 1.98:1
Card sample
#3f3f39 text on a white background
contrast 10.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3f39;
Background color
Panel with #3f3f39 background
background-color: #3f3f39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3f39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3f39; background: linear-gradient(135deg, #3f3f39, #3B3F39);