#004181
a dark, electric blue · cool · closest name: midnightblue
RGB
0, 65, 129
HSL
210°, 100%, 25%
CMYK
100, 50, 0, 49
Luminance
0.0537
Every format
| HEX | #004181 |
| RGB | rgb(0, 65, 129) |
| HSL | hsl(210, 100%, 25%) |
| CMYK | cmyk(100%, 50%, 0%, 49%) |
| LAB | lab(27.8 8.8 -41.0) |
| LCH | lch(27.8 42.0 282.2) |
| OKLCH | oklch(0.380 0.123 254.5) |
Copy-ready code
/* CSS */
color: #004181;
background-color: #004181;
/* Tailwind (arbitrary) */
class="text-[#004181] bg-[#004181]"
/* SCSS */
$brand: #004181;
/* SwiftUI */
Color(red: 0.000, green: 0.255, blue: 0.506)
/* Android */
Color.parseColor("#004181")Accessibility — WCAG contrast
Aa
#004181 on white: 10.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#004181 on black: 2.07:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green25.5%
Blue50.6%
CMYK percentages
Cyan100.0%
Magenta49.6%
Yellow0.0%
Key (black)49.4%
Color previews
#004181 text on a black background
contrast 2.07:1
Card sample
#004181 text on a white background
contrast 10.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #004181;
Background color
Panel with #004181 background
background-color: #004181;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #004181;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 65, 129, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 65, 129, 0.45);
Border & gradient
Gradient panel
border: 3px solid #004181; background: linear-gradient(135deg, #004181, #150081);