#336688
a dark, vivid blue · cool · closest name: steelblue
RGB
51, 102, 136
HSL
204°, 46%, 37%
CMYK
63, 25, 0, 47
Luminance
0.1198
Every format
| HEX | #336688 |
| RGB | rgb(51, 102, 136) |
| HSL | hsl(204, 46%, 37%) |
| CMYK | cmyk(63%, 25%, 0%, 47%) |
| LAB | lab(41.2 -6.1 -23.9) |
| LCH | lch(41.2 24.7 255.6) |
| OKLCH | oklch(0.490 0.077 240.1) |
Copy-ready code
/* CSS */
color: #336688;
background-color: #336688;
/* Tailwind (arbitrary) */
class="text-[#336688] bg-[#336688]"
/* SCSS */
$brand: #336688;
/* SwiftUI */
Color(red: 0.200, green: 0.400, blue: 0.533)
/* Android */
Color.parseColor("#336688")Accessibility — WCAG contrast
Aa
#336688 on white: 6.18:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#336688 on black: 3.40:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green40.0%
Blue53.3%
CMYK percentages
Cyan62.5%
Magenta25.0%
Yellow0.0%
Key (black)46.7%
Color previews
#336688 text on a black background
contrast 3.40:1
Card sample
#336688 text on a white background
contrast 6.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #336688;
Background color
Panel with #336688 background
background-color: #336688;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #336688;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 102, 136, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 102, 136, 0.45);
Border & gradient
Gradient panel
border: 3px solid #336688; background: linear-gradient(135deg, #336688, #393388);