#40d2db
a balanced, vivid cyan · cool · closest name: turquoise
RGB
64, 210, 219
HSL
184°, 68%, 56%
CMYK
71, 4, 0, 14
Luminance
0.5230
Every format
| HEX | #40d2db |
| RGB | rgb(64, 210, 219) |
| HSL | hsl(184, 68%, 56%) |
| CMYK | cmyk(71%, 4%, 0%, 14%) |
| LAB | lab(77.5 -34.7 -15.6) |
| LCH | lch(77.5 38.0 204.2) |
| OKLCH | oklch(0.792 0.120 201.1) |
Copy-ready code
/* CSS */
color: #40d2db;
background-color: #40d2db;
/* Tailwind (arbitrary) */
class="text-[#40d2db] bg-[#40d2db]"
/* SCSS */
$brand: #40d2db;
/* SwiftUI */
Color(red: 0.251, green: 0.824, blue: 0.859)
/* Android */
Color.parseColor("#40d2db")Accessibility — WCAG contrast
Aa
#40d2db on white: 1.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40d2db on black: 11.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green82.4%
Blue85.9%
CMYK percentages
Cyan70.8%
Magenta4.1%
Yellow0.0%
Key (black)14.1%
Color previews
#40d2db text on a black background
contrast 11.46:1
Card sample
#40d2db text on a white background
contrast 1.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40d2db;
Background color
Panel with #40d2db background
background-color: #40d2db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40d2db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 210, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 210, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40d2db; background: linear-gradient(135deg, #40d2db, #406BDB);