#0b3f73
a deep, electric blue · cool · closest name: steelblue
RGB
11, 63, 115
HSL
210°, 83%, 25%
CMYK
90, 45, 0, 55
Luminance
0.0486
Every format
| HEX | #0b3f73 |
| RGB | rgb(11, 63, 115) |
| HSL | hsl(210, 83%, 25%) |
| CMYK | cmyk(90%, 45%, 0%, 55%) |
| LAB | lab(26.3 5.0 -34.5) |
| LCH | lch(26.3 34.8 278.2) |
| OKLCH | oklch(0.366 0.103 253.1) |
Copy-ready code
/* CSS */
color: #0b3f73;
background-color: #0b3f73;
/* Tailwind (arbitrary) */
class="text-[#0b3f73] bg-[#0b3f73]"
/* SCSS */
$brand: #0b3f73;
/* SwiftUI */
Color(red: 0.043, green: 0.247, blue: 0.451)
/* Android */
Color.parseColor("#0b3f73")Accessibility — WCAG contrast
Aa
#0b3f73 on white: 10.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0b3f73 on black: 1.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red4.3%
Green24.7%
Blue45.1%
CMYK percentages
Cyan90.4%
Magenta45.2%
Yellow0.0%
Key (black)54.9%
Color previews
#0b3f73 text on a black background
contrast 1.97:1
Card sample
#0b3f73 text on a white background
contrast 10.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0b3f73;
Background color
Panel with #0b3f73 background
background-color: #0b3f73;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0b3f73;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(11, 63, 115, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(11, 63, 115, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0b3f73; background: linear-gradient(135deg, #0b3f73, #1C0B73);