#3f4f4f
a dark, muted cyan · cool · closest name: darkslategray
RGB
63, 79, 79
HSL
180°, 11%, 28%
CMYK
20, 0, 0, 69
Luminance
0.0721
Every format
| HEX | #3f4f4f |
| RGB | rgb(63, 79, 79) |
| HSL | hsl(180, 11%, 28%) |
| CMYK | cmyk(20%, 0%, 0%, 69%) |
| LAB | lab(32.3 -6.3 -2.1) |
| LCH | lch(32.3 6.6 198.4) |
| OKLCH | oklch(0.414 0.020 196.4) |
Copy-ready code
/* CSS */
color: #3f4f4f;
background-color: #3f4f4f;
/* Tailwind (arbitrary) */
class="text-[#3f4f4f] bg-[#3f4f4f]"
/* SCSS */
$brand: #3f4f4f;
/* SwiftUI */
Color(red: 0.247, green: 0.310, blue: 0.310)
/* Android */
Color.parseColor("#3f4f4f")Accessibility — WCAG contrast
Aa
#3f4f4f on white: 8.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f4f4f on black: 2.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green31.0%
Blue31.0%
CMYK percentages
Cyan20.3%
Magenta0.0%
Yellow0.0%
Key (black)69.0%
Color previews
#3f4f4f text on a black background
contrast 2.44:1
Card sample
#3f4f4f text on a white background
contrast 8.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4f4f;
Background color
Panel with #3f4f4f background
background-color: #3f4f4f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4f4f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 79, 79, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 79, 79, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4f4f; background: linear-gradient(135deg, #3f4f4f, #3F444F);