#39ddf0
a balanced, electric cyan · cool · closest name: cyan
RGB
57, 221, 240
HSL
186°, 86%, 58%
CMYK
76, 8, 0, 6
Luminance
0.5887
Every format
| HEX | #39ddf0 |
| RGB | rgb(57, 221, 240) |
| HSL | hsl(186, 86%, 58%) |
| CMYK | cmyk(76%, 8%, 0%, 6%) |
| LAB | lab(81.2 -34.4 -21.1) |
| LCH | lch(81.2 40.4 211.5) |
| OKLCH | oklch(0.825 0.130 206.8) |
Copy-ready code
/* CSS */
color: #39ddf0;
background-color: #39ddf0;
/* Tailwind (arbitrary) */
class="text-[#39ddf0] bg-[#39ddf0]"
/* SCSS */
$brand: #39ddf0;
/* SwiftUI */
Color(red: 0.224, green: 0.867, blue: 0.941)
/* Android */
Color.parseColor("#39ddf0")Accessibility — WCAG contrast
Aa
#39ddf0 on white: 1.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39ddf0 on black: 12.77:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green86.7%
Blue94.1%
CMYK percentages
Cyan76.3%
Magenta7.9%
Yellow0.0%
Key (black)5.9%
Color previews
#39ddf0 text on a black background
contrast 12.77:1
Card sample
#39ddf0 text on a white background
contrast 1.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39ddf0;
Background color
Panel with #39ddf0 background
background-color: #39ddf0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39ddf0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 221, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 221, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39ddf0; background: linear-gradient(135deg, #39ddf0, #3963F0);