#223399
a dark, vivid blue · warm · closest name: midnightblue
RGB
34, 51, 153
HSL
231°, 64%, 37%
CMYK
78, 67, 0, 40
Luminance
0.0501
Every format
| HEX | #223399 |
| RGB | rgb(34, 51, 153) |
| HSL | hsl(231, 64%, 37%) |
| CMYK | cmyk(78%, 67%, 0%, 40%) |
| LAB | lab(26.8 31.0 -57.4) |
| LCH | lch(26.8 65.3 298.4) |
| OKLCH | oklch(0.381 0.166 269.2) |
Copy-ready code
/* CSS */
color: #223399;
background-color: #223399;
/* Tailwind (arbitrary) */
class="text-[#223399] bg-[#223399]"
/* SCSS */
$brand: #223399;
/* SwiftUI */
Color(red: 0.133, green: 0.200, blue: 0.600)
/* Android */
Color.parseColor("#223399")Accessibility — WCAG contrast
Aa
#223399 on white: 10.49:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#223399 on black: 2.00:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red13.3%
Green20.0%
Blue60.0%
CMYK percentages
Cyan77.8%
Magenta66.7%
Yellow0.0%
Key (black)40.0%
Color previews
#223399 text on a black background
contrast 2.00:1
Card sample
#223399 text on a white background
contrast 10.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #223399;
Background color
Panel with #223399 background
background-color: #223399;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #223399;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(34, 51, 153, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(34, 51, 153, 0.45);
Border & gradient
Gradient panel
border: 3px solid #223399; background: linear-gradient(135deg, #223399, #602299);