#3fd9eb
a balanced, electric cyan · cool · closest name: skyblue
RGB
63, 217, 235
HSL
186°, 81%, 58%
CMYK
73, 8, 0, 8
Luminance
0.5668
Every format
| HEX | #3fd9eb |
| RGB | rgb(63, 217, 235) |
| HSL | hsl(186, 81%, 58%) |
| CMYK | cmyk(73%, 8%, 0%, 8%) |
| LAB | lab(80.0 -33.4 -20.3) |
| LCH | lch(80.0 39.1 211.3) |
| OKLCH | oklch(0.815 0.126 206.7) |
Copy-ready code
/* CSS */
color: #3fd9eb;
background-color: #3fd9eb;
/* Tailwind (arbitrary) */
class="text-[#3fd9eb] bg-[#3fd9eb]"
/* SCSS */
$brand: #3fd9eb;
/* SwiftUI */
Color(red: 0.247, green: 0.851, blue: 0.922)
/* Android */
Color.parseColor("#3fd9eb")Accessibility — WCAG contrast
Aa
#3fd9eb on white: 1.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fd9eb on black: 12.34:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green85.1%
Blue92.2%
CMYK percentages
Cyan73.2%
Magenta7.7%
Yellow0.0%
Key (black)7.8%
Color previews
#3fd9eb text on a black background
contrast 12.34:1
Card sample
#3fd9eb text on a white background
contrast 1.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fd9eb;
Background color
Panel with #3fd9eb background
background-color: #3fd9eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fd9eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 217, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 217, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fd9eb; background: linear-gradient(135deg, #3fd9eb, #3F66EB);