#39b8df
a balanced, vivid cyan · cool · closest name: skyblue
RGB
57, 184, 223
HSL
194°, 72%, 55%
CMYK
74, 18, 0, 13
Luminance
0.4048
Every format
| HEX | #39b8df |
| RGB | rgb(57, 184, 223) |
| HSL | hsl(194, 72%, 55%) |
| CMYK | cmyk(74%, 18%, 0%, 13%) |
| LAB | lab(69.8 -21.5 -29.4) |
| LCH | lch(69.8 36.4 233.8) |
| OKLCH | oklch(0.731 0.121 223.1) |
Copy-ready code
/* CSS */
color: #39b8df;
background-color: #39b8df;
/* Tailwind (arbitrary) */
class="text-[#39b8df] bg-[#39b8df]"
/* SCSS */
$brand: #39b8df;
/* SwiftUI */
Color(red: 0.224, green: 0.722, blue: 0.875)
/* Android */
Color.parseColor("#39b8df")Accessibility — WCAG contrast
Aa
#39b8df on white: 2.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39b8df on black: 9.10:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green72.2%
Blue87.5%
CMYK percentages
Cyan74.4%
Magenta17.5%
Yellow0.0%
Key (black)12.5%
Color previews
#39b8df text on a black background
contrast 9.10:1
Card sample
#39b8df text on a white background
contrast 2.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39b8df;
Background color
Panel with #39b8df background
background-color: #39b8df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39b8df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 184, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 184, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39b8df; background: linear-gradient(135deg, #39b8df, #3949DF);