#339bbc
a balanced, vivid cyan · cool · closest name: steelblue
RGB
51, 155, 188
HSL
195°, 57%, 47%
CMYK
73, 18, 0, 26
Luminance
0.2778
Every format
| HEX | #339bbc |
| RGB | rgb(51, 155, 188) |
| HSL | hsl(195, 57%, 47%) |
| CMYK | cmyk(73%, 18%, 0%, 26%) |
| LAB | lab(59.7 -18.5 -25.6) |
| LCH | lch(59.7 31.6 234.2) |
| OKLCH | oklch(0.645 0.104 223.4) |
Copy-ready code
/* CSS */
color: #339bbc;
background-color: #339bbc;
/* Tailwind (arbitrary) */
class="text-[#339bbc] bg-[#339bbc]"
/* SCSS */
$brand: #339bbc;
/* SwiftUI */
Color(red: 0.200, green: 0.608, blue: 0.737)
/* Android */
Color.parseColor("#339bbc")Accessibility — WCAG contrast
Aa
#339bbc on white: 3.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#339bbc on black: 6.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green60.8%
Blue73.7%
CMYK percentages
Cyan72.9%
Magenta17.6%
Yellow0.0%
Key (black)26.3%
Color previews
#339bbc text on a black background
contrast 6.56:1
Card sample
#339bbc text on a white background
contrast 3.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #339bbc;
Background color
Panel with #339bbc background
background-color: #339bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #339bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 155, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 155, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #339bbc; background: linear-gradient(135deg, #339bbc, #3340BC);