#2f3439
a deep, muted blue · cool · closest name: darkslategray
RGB
47, 52, 57
HSL
210°, 10%, 20%
CMYK
18, 9, 0, 78
Luminance
0.0336
Every format
| HEX | #2f3439 |
| RGB | rgb(47, 52, 57) |
| HSL | hsl(210, 10%, 20%) |
| CMYK | cmyk(18%, 9%, 0%, 78%) |
| LAB | lab(21.4 -0.9 -3.9) |
| LCH | lch(21.4 4.0 257.5) |
| OKLCH | oklch(0.322 0.011 248.2) |
Copy-ready code
/* CSS */
color: #2f3439;
background-color: #2f3439;
/* Tailwind (arbitrary) */
class="text-[#2f3439] bg-[#2f3439]"
/* SCSS */
$brand: #2f3439;
/* SwiftUI */
Color(red: 0.184, green: 0.204, blue: 0.224)
/* Android */
Color.parseColor("#2f3439")Accessibility — WCAG contrast
Aa
#2f3439 on white: 12.57:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2f3439 on black: 1.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.4%
Green20.4%
Blue22.4%
CMYK percentages
Cyan17.5%
Magenta8.8%
Yellow0.0%
Key (black)77.6%
Color previews
#2f3439 text on a black background
contrast 1.67:1
Card sample
#2f3439 text on a white background
contrast 12.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2f3439;
Background color
Panel with #2f3439 background
background-color: #2f3439;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2f3439;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(47, 52, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(47, 52, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2f3439; background: linear-gradient(135deg, #2f3439, #312F39);