#003370
a deep, electric blue · cool · closest name: midnightblue
RGB
0, 51, 112
HSL
213°, 100%, 22%
CMYK
100, 55, 0, 56
Luminance
0.0354
Every format
| HEX | #003370 |
| RGB | rgb(0, 51, 112) |
| HSL | hsl(213, 100%, 22%) |
| CMYK | cmyk(100%, 55%, 0%, 56%) |
| LAB | lab(22.1 11.3 -39.4) |
| LCH | lch(22.1 41.0 286.0) |
| OKLCH | oklch(0.332 0.117 256.8) |
Copy-ready code
/* CSS */
color: #003370;
background-color: #003370;
/* Tailwind (arbitrary) */
class="text-[#003370] bg-[#003370]"
/* SCSS */
$brand: #003370;
/* SwiftUI */
Color(red: 0.000, green: 0.200, blue: 0.439)
/* Android */
Color.parseColor("#003370")Accessibility — WCAG contrast
Aa
#003370 on white: 12.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#003370 on black: 1.71:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green20.0%
Blue43.9%
CMYK percentages
Cyan100.0%
Magenta54.5%
Yellow0.0%
Key (black)56.1%
Color previews
#003370 text on a black background
contrast 1.71:1
Card sample
#003370 text on a white background
contrast 12.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #003370;
Background color
Panel with #003370 background
background-color: #003370;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #003370;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 51, 112, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 51, 112, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003370; background: linear-gradient(135deg, #003370, #180070);