#00366d
a deep, electric blue · cool · closest name: midnightblue
RGB
0, 54, 109
HSL
210°, 100%, 21%
CMYK
100, 51, 0, 57
Luminance
0.0374
Every format
| HEX | #00366d |
| RGB | rgb(0, 54, 109) |
| HSL | hsl(210, 100%, 21%) |
| CMYK | cmyk(100%, 51%, 0%, 57%) |
| LAB | lab(22.8 7.8 -36.3) |
| LCH | lch(22.8 37.2 282.1) |
| OKLCH | oklch(0.337 0.109 254.4) |
Copy-ready code
/* CSS */
color: #00366d;
background-color: #00366d;
/* Tailwind (arbitrary) */
class="text-[#00366d] bg-[#00366d]"
/* SCSS */
$brand: #00366d;
/* SwiftUI */
Color(red: 0.000, green: 0.212, blue: 0.427)
/* Android */
Color.parseColor("#00366d")Accessibility — WCAG contrast
Aa
#00366d on white: 12.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#00366d on black: 1.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green21.2%
Blue42.7%
CMYK percentages
Cyan100.0%
Magenta50.5%
Yellow0.0%
Key (black)57.3%
Color previews
#00366d text on a black background
contrast 1.75:1
Card sample
#00366d text on a white background
contrast 12.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00366d;
Background color
Panel with #00366d background
background-color: #00366d;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00366d;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 54, 109, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 54, 109, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00366d; background: linear-gradient(135deg, #00366d, #13006D);