#3fefff
a balanced, electric cyan · cool · closest name: cyan
RGB
63, 239, 255
HSL
185°, 100%, 62%
CMYK
75, 6, 0, 0
Luminance
0.7001
Every format
| HEX | #3fefff |
| RGB | rgb(63, 239, 255) |
| HSL | hsl(185, 100%, 62%) |
| CMYK | cmyk(75%, 6%, 0%, 0%) |
| LAB | lab(87.0 -37.8 -20.3) |
| LCH | lch(87.0 42.9 208.2) |
| OKLCH | oklch(0.873 0.137 204.3) |
Copy-ready code
/* CSS */
color: #3fefff;
background-color: #3fefff;
/* Tailwind (arbitrary) */
class="text-[#3fefff] bg-[#3fefff]"
/* SCSS */
$brand: #3fefff;
/* SwiftUI */
Color(red: 0.247, green: 0.937, blue: 1.000)
/* Android */
Color.parseColor("#3fefff")Accessibility — WCAG contrast
Aa
#3fefff on white: 1.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fefff on black: 15.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green93.7%
Blue100.0%
CMYK percentages
Cyan75.3%
Magenta6.3%
Yellow0.0%
Key (black)0.0%
Color previews
#3fefff text on a black background
contrast 15.00:1
Card sample
#3fefff text on a white background
contrast 1.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fefff;
Background color
Panel with #3fefff background
background-color: #3fefff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fefff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 239, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 239, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fefff; background: linear-gradient(135deg, #3fefff, #3F6FFF);