#333d66
a dark, soft blue · warm · closest name: steelblue
RGB
51, 61, 102
HSL
228°, 33%, 30%
CMYK
50, 40, 0, 60
Luminance
0.0500
Every format
| HEX | #333d66 |
| RGB | rgb(51, 61, 102) |
| HSL | hsl(228, 33%, 30%) |
| CMYK | cmyk(50%, 40%, 0%, 60%) |
| LAB | lab(26.7 8.4 -25.4) |
| LCH | lch(26.7 26.8 288.2) |
| OKLCH | oklch(0.371 0.072 272.1) |
Copy-ready code
/* CSS */
color: #333d66;
background-color: #333d66;
/* Tailwind (arbitrary) */
class="text-[#333d66] bg-[#333d66]"
/* SCSS */
$brand: #333d66;
/* SwiftUI */
Color(red: 0.200, green: 0.239, blue: 0.400)
/* Android */
Color.parseColor("#333d66")Accessibility — WCAG contrast
Aa
#333d66 on white: 10.50:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#333d66 on black: 2.00:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green23.9%
Blue40.0%
CMYK percentages
Cyan50.0%
Magenta40.2%
Yellow0.0%
Key (black)60.0%
Color previews
#333d66 text on a black background
contrast 2.00:1
Card sample
#333d66 text on a white background
contrast 10.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #333d66;
Background color
Panel with #333d66 background
background-color: #333d66;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #333d66;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 61, 102, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 61, 102, 0.45);
Border & gradient
Gradient panel
border: 3px solid #333d66; background: linear-gradient(135deg, #333d66, #4B3366);