#373c47
a deep, muted blue · cool · closest name: darkslategray
RGB
55, 60, 71
HSL
221°, 13%, 25%
CMYK
23, 16, 0, 72
Luminance
0.0450
Every format
| HEX | #373c47 |
| RGB | rgb(55, 60, 71) |
| HSL | hsl(221, 13%, 25%) |
| CMYK | cmyk(23%, 16%, 0%, 72%) |
| LAB | lab(25.3 0.7 -7.4) |
| LCH | lch(25.3 7.5 275.5) |
| OKLCH | oklch(0.356 0.020 266.0) |
Copy-ready code
/* CSS */
color: #373c47;
background-color: #373c47;
/* Tailwind (arbitrary) */
class="text-[#373c47] bg-[#373c47]"
/* SCSS */
$brand: #373c47;
/* SwiftUI */
Color(red: 0.216, green: 0.235, blue: 0.278)
/* Android */
Color.parseColor("#373c47")Accessibility — WCAG contrast
Aa
#373c47 on white: 11.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#373c47 on black: 1.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green23.5%
Blue27.8%
CMYK percentages
Cyan22.5%
Magenta15.5%
Yellow0.0%
Key (black)72.2%
Color previews
#373c47 text on a black background
contrast 1.90:1
Card sample
#373c47 text on a white background
contrast 11.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #373c47;
Background color
Panel with #373c47 background
background-color: #373c47;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #373c47;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 60, 71, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 60, 71, 0.45);
Border & gradient
Gradient panel
border: 3px solid #373c47; background: linear-gradient(135deg, #373c47, #3D3747);