#3fddf3
a balanced, electric cyan · cool · closest name: skyblue
RGB
63, 221, 243
HSL
187°, 88%, 60%
CMYK
74, 9, 0, 5
Luminance
0.5924
Every format
| HEX | #3fddf3 |
| RGB | rgb(63, 221, 243) |
| HSL | hsl(187, 88%, 60%) |
| CMYK | cmyk(74%, 9%, 0%, 5%) |
| LAB | lab(81.4 -32.9 -22.4) |
| LCH | lch(81.4 39.8 214.2) |
| OKLCH | oklch(0.827 0.129 208.9) |
Copy-ready code
/* CSS */
color: #3fddf3;
background-color: #3fddf3;
/* Tailwind (arbitrary) */
class="text-[#3fddf3] bg-[#3fddf3]"
/* SCSS */
$brand: #3fddf3;
/* SwiftUI */
Color(red: 0.247, green: 0.867, blue: 0.953)
/* Android */
Color.parseColor("#3fddf3")Accessibility — WCAG contrast
Aa
#3fddf3 on white: 1.63:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fddf3 on black: 12.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green86.7%
Blue95.3%
CMYK percentages
Cyan74.1%
Magenta9.1%
Yellow0.0%
Key (black)4.7%
Color previews
#3fddf3 text on a black background
contrast 12.85:1
Card sample
#3fddf3 text on a white background
contrast 1.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fddf3;
Background color
Panel with #3fddf3 background
background-color: #3fddf3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fddf3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 221, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 221, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fddf3; background: linear-gradient(135deg, #3fddf3, #3F65F3);