#333388
a dark, vivid blue · warm · closest name: midnightblue
RGB
51, 51, 136
HSL
240°, 46%, 37%
CMYK
63, 63, 0, 47
Luminance
0.0485
Every format
| HEX | #333388 |
| RGB | rgb(51, 51, 136) |
| HSL | hsl(240, 46%, 37%) |
| CMYK | cmyk(63%, 63%, 0%, 47%) |
| LAB | lab(26.3 27.2 -47.6) |
| LCH | lch(26.3 54.9 299.7) |
| OKLCH | oklch(0.376 0.138 277.4) |
Copy-ready code
/* CSS */
color: #333388;
background-color: #333388;
/* Tailwind (arbitrary) */
class="text-[#333388] bg-[#333388]"
/* SCSS */
$brand: #333388;
/* SwiftUI */
Color(red: 0.200, green: 0.200, blue: 0.533)
/* Android */
Color.parseColor("#333388")Accessibility — WCAG contrast
Aa
#333388 on white: 10.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#333388 on black: 1.97:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green20.0%
Blue53.3%
CMYK percentages
Cyan62.5%
Magenta62.5%
Yellow0.0%
Key (black)46.7%
Color previews
#333388 text on a black background
contrast 1.97:1
Card sample
#333388 text on a white background
contrast 10.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #333388;
Background color
Panel with #333388 background
background-color: #333388;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #333388;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 51, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 51, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #333388; background: linear-gradient(135deg, #333388, #6C3388);