#40dcdf
a balanced, vivid cyan · cool · closest name: turquoise
RGB
64, 220, 223
HSL
181°, 71%, 56%
CMYK
71, 1, 0, 13
Luminance
0.5760
Every format
| HEX | #40dcdf |
| RGB | rgb(64, 220, 223) |
| HSL | hsl(181, 71%, 56%) |
| CMYK | cmyk(71%, 1%, 0%, 13%) |
| LAB | lab(80.5 -38.2 -13.1) |
| LCH | lch(80.5 40.4 199.0) |
| OKLCH | oklch(0.818 0.125 196.9) |
Copy-ready code
/* CSS */
color: #40dcdf;
background-color: #40dcdf;
/* Tailwind (arbitrary) */
class="text-[#40dcdf] bg-[#40dcdf]"
/* SCSS */
$brand: #40dcdf;
/* SwiftUI */
Color(red: 0.251, green: 0.863, blue: 0.875)
/* Android */
Color.parseColor("#40dcdf")Accessibility — WCAG contrast
Aa
#40dcdf on white: 1.68:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dcdf on black: 12.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green86.3%
Blue87.5%
CMYK percentages
Cyan71.3%
Magenta1.3%
Yellow0.0%
Key (black)12.5%
Color previews
#40dcdf text on a black background
contrast 12.52:1
Card sample
#40dcdf text on a white background
contrast 1.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dcdf;
Background color
Panel with #40dcdf background
background-color: #40dcdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dcdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 220, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 220, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dcdf; background: linear-gradient(135deg, #40dcdf, #4072DF);