#00216d
a deep, electric blue · cool · closest name: midnightblue
RGB
0, 33, 109
HSL
222°, 100%, 21%
CMYK
100, 70, 0, 57
Luminance
0.0219
Every format
| HEX | #00216d |
| RGB | rgb(0, 33, 109) |
| HSL | hsl(222, 100%, 21%) |
| CMYK | cmyk(100%, 70%, 0%, 57%) |
| LAB | lab(16.5 23.3 -46.7) |
| LCH | lch(16.5 52.1 296.5) |
| OKLCH | oklch(0.289 0.137 262.3) |
Copy-ready code
/* CSS */
color: #00216d;
background-color: #00216d;
/* Tailwind (arbitrary) */
class="text-[#00216d] bg-[#00216d]"
/* SCSS */
$brand: #00216d;
/* SwiftUI */
Color(red: 0.000, green: 0.129, blue: 0.427)
/* Android */
Color.parseColor("#00216d")Accessibility — WCAG contrast
Aa
#00216d on white: 14.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#00216d on black: 1.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green12.9%
Blue42.7%
CMYK percentages
Cyan100.0%
Magenta69.7%
Yellow0.0%
Key (black)57.3%
Color previews
#00216d text on a black background
contrast 1.44:1
Card sample
#00216d text on a white background
contrast 14.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00216d;
Background color
Panel with #00216d background
background-color: #00216d;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00216d;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 33, 109, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 33, 109, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00216d; background: linear-gradient(135deg, #00216d, #28006D);