#303b47
a deep, soft blue · cool · closest name: darkslategray
RGB
48, 59, 71
HSL
211°, 19%, 23%
CMYK
32, 17, 0, 72
Luminance
0.0421
Every format
| HEX | #303b47 |
| RGB | rgb(48, 59, 71) |
| HSL | hsl(211, 19%, 23%) |
| CMYK | cmyk(32%, 17%, 0%, 72%) |
| LAB | lab(24.4 -1.2 -8.8) |
| LCH | lch(24.4 8.9 262.2) |
| OKLCH | oklch(0.347 0.026 250.8) |
Copy-ready code
/* CSS */
color: #303b47;
background-color: #303b47;
/* Tailwind (arbitrary) */
class="text-[#303b47] bg-[#303b47]"
/* SCSS */
$brand: #303b47;
/* SwiftUI */
Color(red: 0.188, green: 0.231, blue: 0.278)
/* Android */
Color.parseColor("#303b47")Accessibility — WCAG contrast
Aa
#303b47 on white: 11.40:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#303b47 on black: 1.84:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green23.1%
Blue27.8%
CMYK percentages
Cyan32.4%
Magenta16.9%
Yellow0.0%
Key (black)72.2%
Color previews
#303b47 text on a black background
contrast 1.84:1
Card sample
#303b47 text on a white background
contrast 11.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #303b47;
Background color
Panel with #303b47 background
background-color: #303b47;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #303b47;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 59, 71, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 59, 71, 0.45);
Border & gradient
Gradient panel
border: 3px solid #303b47; background: linear-gradient(135deg, #303b47, #343047);