#40e2db
a balanced, vivid cyan · cool · closest name: turquoise
RGB
64, 226, 219
HSL
177°, 74%, 57%
CMYK
72, 0, 3, 11
Luminance
0.6060
Every format
| HEX | #40e2db |
| RGB | rgb(64, 226, 219) |
| HSL | hsl(177, 74%, 57%) |
| CMYK | cmyk(72%, 0%, 3%, 11%) |
| LAB | lab(82.2 -42.0 -8.6) |
| LCH | lch(82.2 42.9 191.5) |
| OKLCH | oklch(0.831 0.130 190.6) |
Copy-ready code
/* CSS */
color: #40e2db;
background-color: #40e2db;
/* Tailwind (arbitrary) */
class="text-[#40e2db] bg-[#40e2db]"
/* SCSS */
$brand: #40e2db;
/* SwiftUI */
Color(red: 0.251, green: 0.886, blue: 0.859)
/* Android */
Color.parseColor("#40e2db")Accessibility — WCAG contrast
Aa
#40e2db on white: 1.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40e2db on black: 13.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green88.6%
Blue85.9%
CMYK percentages
Cyan71.7%
Magenta0.0%
Yellow3.1%
Key (black)11.4%
Color previews
#40e2db text on a black background
contrast 13.12:1
Card sample
#40e2db text on a white background
contrast 1.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40e2db;
Background color
Panel with #40e2db background
background-color: #40e2db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40e2db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 226, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 226, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40e2db; background: linear-gradient(135deg, #40e2db, #407DE2);