#40dfec
a balanced, electric cyan · cool · closest name: cyan
RGB
64, 223, 236
HSL
185°, 82%, 59%
CMYK
73, 6, 0, 8
Luminance
0.5992
Every format
| HEX | #40dfec |
| RGB | rgb(64, 223, 236) |
| HSL | hsl(185, 82%, 59%) |
| CMYK | cmyk(73%, 6%, 0%, 8%) |
| LAB | lab(81.8 -35.8 -18.1) |
| LCH | lch(81.8 40.1 206.8) |
| OKLCH | oklch(0.829 0.128 203.2) |
Copy-ready code
/* CSS */
color: #40dfec;
background-color: #40dfec;
/* Tailwind (arbitrary) */
class="text-[#40dfec] bg-[#40dfec]"
/* SCSS */
$brand: #40dfec;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.925)
/* Android */
Color.parseColor("#40dfec")Accessibility — WCAG contrast
Aa
#40dfec on white: 1.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dfec on black: 12.98:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue92.5%
CMYK percentages
Cyan72.9%
Magenta5.5%
Yellow0.0%
Key (black)7.5%
Color previews
#40dfec text on a black background
contrast 12.98:1
Card sample
#40dfec text on a white background
contrast 1.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dfec;
Background color
Panel with #40dfec background
background-color: #40dfec;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dfec;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 236, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 236, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dfec; background: linear-gradient(135deg, #40dfec, #406CEC);