#004591
a dark, electric blue · cool · closest name: midnightblue
RGB
0, 69, 145
HSL
211°, 100%, 28%
CMYK
100, 52, 0, 43
Luminance
0.0630
Every format
| HEX | #004591 |
| RGB | rgb(0, 69, 145) |
| HSL | hsl(211, 100%, 28%) |
| CMYK | cmyk(100%, 52%, 0%, 43%) |
| LAB | lab(30.2 13.0 -47.0) |
| LCH | lch(30.2 48.8 285.4) |
| OKLCH | oklch(0.402 0.140 256.5) |
Copy-ready code
/* CSS */
color: #004591;
background-color: #004591;
/* Tailwind (arbitrary) */
class="text-[#004591] bg-[#004591]"
/* SCSS */
$brand: #004591;
/* SwiftUI */
Color(red: 0.000, green: 0.271, blue: 0.569)
/* Android */
Color.parseColor("#004591")Accessibility — WCAG contrast
Aa
#004591 on white: 9.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#004591 on black: 2.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green27.1%
Blue56.9%
CMYK percentages
Cyan100.0%
Magenta52.4%
Yellow0.0%
Key (black)43.1%
Color previews
#004591 text on a black background
contrast 2.26:1
Card sample
#004591 text on a white background
contrast 9.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #004591;
Background color
Panel with #004591 background
background-color: #004591;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #004591;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 69, 145, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 69, 145, 0.45);
Border & gradient
Gradient panel
border: 3px solid #004591; background: linear-gradient(135deg, #004591, #1C0091);