#0a317e
a dark, electric blue · cool · closest name: midnightblue
RGB
10, 49, 126
HSL
220°, 85%, 27%
CMYK
92, 61, 0, 51
Luminance
0.0377
Every format
| HEX | #0a317e |
| RGB | rgb(10, 49, 126) |
| HSL | hsl(220, 85%, 27%) |
| CMYK | cmyk(92%, 61%, 0%, 51%) |
| LAB | lab(22.9 19.6 -47.0) |
| LCH | lch(22.9 50.9 292.6) |
| OKLCH | oklch(0.342 0.137 262.0) |
Copy-ready code
/* CSS */
color: #0a317e;
background-color: #0a317e;
/* Tailwind (arbitrary) */
class="text-[#0a317e] bg-[#0a317e]"
/* SCSS */
$brand: #0a317e;
/* SwiftUI */
Color(red: 0.039, green: 0.192, blue: 0.494)
/* Android */
Color.parseColor("#0a317e")Accessibility — WCAG contrast
Aa
#0a317e on white: 11.98:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0a317e on black: 1.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green19.2%
Blue49.4%
CMYK percentages
Cyan92.1%
Magenta61.1%
Yellow0.0%
Key (black)50.6%
Color previews
#0a317e text on a black background
contrast 1.75:1
Card sample
#0a317e text on a white background
contrast 11.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a317e;
Background color
Panel with #0a317e background
background-color: #0a317e;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a317e;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 49, 126, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 49, 126, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a317e; background: linear-gradient(135deg, #0a317e, #300A7E);