#0031a3
a dark, electric blue · cool · closest name: midnightblue
RGB
0, 49, 163
HSL
222°, 100%, 32%
CMYK
100, 70, 0, 36
Luminance
0.0484
Every format
| HEX | #0031a3 |
| RGB | rgb(0, 49, 163) |
| HSL | hsl(222, 100%, 32%) |
| CMYK | cmyk(100%, 70%, 0%, 36%) |
| LAB | lab(26.3 34.2 -64.3) |
| LCH | lch(26.3 72.9 298.0) |
| OKLCH | oklch(0.378 0.188 262.9) |
Copy-ready code
/* CSS */
color: #0031a3;
background-color: #0031a3;
/* Tailwind (arbitrary) */
class="text-[#0031a3] bg-[#0031a3]"
/* SCSS */
$brand: #0031a3;
/* SwiftUI */
Color(red: 0.000, green: 0.192, blue: 0.639)
/* Android */
Color.parseColor("#0031a3")Accessibility — WCAG contrast
Aa
#0031a3 on white: 10.67:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0031a3 on black: 1.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green19.2%
Blue63.9%
CMYK percentages
Cyan100.0%
Magenta69.9%
Yellow0.0%
Key (black)36.1%
Color previews
#0031a3 text on a black background
contrast 1.97:1
Card sample
#0031a3 text on a white background
contrast 10.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0031a3;
Background color
Panel with #0031a3 background
background-color: #0031a3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0031a3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 49, 163, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 49, 163, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0031a3; background: linear-gradient(135deg, #0031a3, #3C00A3);