#003188
a dark, electric blue · cool · closest name: midnightblue
RGB
0, 49, 136
HSL
218°, 100%, 27%
CMYK
100, 64, 0, 47
Luminance
0.0397
Every format
| HEX | #003188 |
| RGB | rgb(0, 49, 136) |
| HSL | hsl(218, 100%, 27%) |
| CMYK | cmyk(100%, 64%, 0%, 47%) |
| LAB | lab(23.6 23.3 -52.2) |
| LCH | lch(23.6 57.1 294.0) |
| OKLCH | oklch(0.350 0.153 261.2) |
Copy-ready code
/* CSS */
color: #003188;
background-color: #003188;
/* Tailwind (arbitrary) */
class="text-[#003188] bg-[#003188]"
/* SCSS */
$brand: #003188;
/* SwiftUI */
Color(red: 0.000, green: 0.192, blue: 0.533)
/* Android */
Color.parseColor("#003188")Accessibility — WCAG contrast
Aa
#003188 on white: 11.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#003188 on black: 1.79:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green19.2%
Blue53.3%
CMYK percentages
Cyan100.0%
Magenta64.0%
Yellow0.0%
Key (black)46.7%
Color previews
#003188 text on a black background
contrast 1.79:1
Card sample
#003188 text on a white background
contrast 11.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #003188;
Background color
Panel with #003188 background
background-color: #003188;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #003188;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 49, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 49, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003188; background: linear-gradient(135deg, #003188, #2A0088);