#40dfda
a balanced, vivid cyan · cool · closest name: turquoise
RGB
64, 223, 218
HSL
178°, 71%, 56%
CMYK
71, 0, 2, 13
Luminance
0.5893
Every format
| HEX | #40dfda |
| RGB | rgb(64, 223, 218) |
| HSL | hsl(178, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 2%, 13%) |
| LAB | lab(81.3 -40.9 -9.4) |
| LCH | lch(81.3 42.0 192.9) |
| OKLCH | oklch(0.823 0.128 191.8) |
Copy-ready code
/* CSS */
color: #40dfda;
background-color: #40dfda;
/* Tailwind (arbitrary) */
class="text-[#40dfda] bg-[#40dfda]"
/* SCSS */
$brand: #40dfda;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.855)
/* Android */
Color.parseColor("#40dfda")Accessibility — WCAG contrast
Aa
#40dfda on white: 1.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dfda on black: 12.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue85.5%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow2.2%
Key (black)12.5%
Color previews
#40dfda text on a black background
contrast 12.79:1
Card sample
#40dfda text on a white background
contrast 1.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dfda;
Background color
Panel with #40dfda background
background-color: #40dfda;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dfda;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dfda; background: linear-gradient(135deg, #40dfda, #407ADF);