#339ccc
a balanced, vivid cyan · cool · closest name: steelblue
RGB
51, 156, 204
HSL
199°, 60%, 50%
CMYK
75, 24, 0, 20
Luminance
0.2884
Every format
| HEX | #339ccc |
| RGB | rgb(51, 156, 204) |
| HSL | hsl(199, 60%, 50%) |
| CMYK | cmyk(75%, 24%, 0%, 20%) |
| LAB | lab(60.6 -13.7 -33.1) |
| LCH | lch(60.6 35.8 247.6) |
| OKLCH | oklch(0.655 0.117 232.7) |
Copy-ready code
/* CSS */
color: #339ccc;
background-color: #339ccc;
/* Tailwind (arbitrary) */
class="text-[#339ccc] bg-[#339ccc]"
/* SCSS */
$brand: #339ccc;
/* SwiftUI */
Color(red: 0.200, green: 0.612, blue: 0.800)
/* Android */
Color.parseColor("#339ccc")Accessibility — WCAG contrast
Aa
#339ccc on white: 3.10:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#339ccc on black: 6.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green61.2%
Blue80.0%
CMYK percentages
Cyan75.0%
Magenta23.5%
Yellow0.0%
Key (black)20.0%
Color previews
#339ccc text on a black background
contrast 6.77:1
Card sample
#339ccc text on a white background
contrast 3.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #339ccc;
Background color
Panel with #339ccc background
background-color: #339ccc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #339ccc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 156, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 156, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #339ccc; background: linear-gradient(135deg, #339ccc, #3336CC);