#3fdfef
a balanced, electric cyan · cool · closest name: cyan
RGB
63, 223, 239
HSL
186°, 85%, 59%
CMYK
74, 7, 0, 6
Luminance
0.6006
Every format
| HEX | #3fdfef |
| RGB | rgb(63, 223, 239) |
| HSL | hsl(186, 85%, 59%) |
| CMYK | cmyk(74%, 7%, 0%, 6%) |
| LAB | lab(81.9 -35.0 -19.6) |
| LCH | lch(81.9 40.1 209.2) |
| OKLCH | oklch(0.830 0.129 205.1) |
Copy-ready code
/* CSS */
color: #3fdfef;
background-color: #3fdfef;
/* Tailwind (arbitrary) */
class="text-[#3fdfef] bg-[#3fdfef]"
/* SCSS */
$brand: #3fdfef;
/* SwiftUI */
Color(red: 0.247, green: 0.875, blue: 0.937)
/* Android */
Color.parseColor("#3fdfef")Accessibility — WCAG contrast
Aa
#3fdfef on white: 1.61:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fdfef on black: 13.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green87.5%
Blue93.7%
CMYK percentages
Cyan73.6%
Magenta6.7%
Yellow0.0%
Key (black)6.3%
Color previews
#3fdfef text on a black background
contrast 13.01:1
Card sample
#3fdfef text on a white background
contrast 1.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fdfef;
Background color
Panel with #3fdfef background
background-color: #3fdfef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fdfef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 223, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 223, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fdfef; background: linear-gradient(135deg, #3fdfef, #3F69EF);