#3f3f3f
a deep, muted gray · warm · closest name: darkslategray
RGB
63, 63, 63
HSL
0°, 0%, 25%
CMYK
0, 0, 0, 75
Luminance
0.0497
Every format
| HEX | #3f3f3f |
| RGB | rgb(63, 63, 63) |
| HSL | hsl(0, 0%, 25%) |
| CMYK | cmyk(0%, 0%, 0%, 75%) |
| LAB | lab(26.6 0.0 0.0) |
| LCH | lch(26.6 0.0 180.0) |
| OKLCH | oklch(0.368 0.000 89.9) |
Copy-ready code
/* CSS */
color: #3f3f3f;
background-color: #3f3f3f;
/* Tailwind (arbitrary) */
class="text-[#3f3f3f] bg-[#3f3f3f]"
/* SCSS */
$brand: #3f3f3f;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.247)
/* Android */
Color.parseColor("#3f3f3f")Accessibility — WCAG contrast
Aa
#3f3f3f on white: 10.53:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3f3f on black: 1.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue24.7%
CMYK percentages
Cyan0.0%
Magenta0.0%
Yellow0.0%
Key (black)75.3%
Color previews
#3f3f3f text on a black background
contrast 1.99:1
Card sample
#3f3f3f text on a white background
contrast 10.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3f3f;
Background color
Panel with #3f3f3f background
background-color: #3f3f3f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3f3f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 63, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 63, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3f3f; background: linear-gradient(135deg, #3f3f3f, #3F3F3F);