#40dfd2
a balanced, vivid cyan · cool · “turquoise”
RGB
64, 223, 210
HSL
175°, 71%, 56%
CMYK
71, 0, 6, 13
Luminance
0.5852
Every format
| HEX | #40dfd2 |
| RGB | rgb(64, 223, 210) |
| HSL | hsl(175, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 6%, 13%) |
| LAB | lab(81.0 -43.1 -5.5) |
| LCH | lch(81.0 43.5 187.2) |
| OKLCH | oklch(0.821 0.129 186.9) |
Copy-ready code
/* CSS */
color: #40dfd2;
background-color: #40dfd2;
/* Tailwind (arbitrary) */
class="text-[#40dfd2] bg-[#40dfd2]"
/* SCSS */
$brand: #40dfd2;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.824)
/* Android */
Color.parseColor("#40dfd2")Accessibility — WCAG contrast
Aa
#40dfd2 on white: 1.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40dfd2 on black: 12.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue82.4%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow5.8%
Key (black)12.5%
Color previews
#40dfd2 text on a black background
contrast 12.70:1
Card sample
#40dfd2 text on a white background
contrast 1.65:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40dfd2;
Background color
Panel with #40dfd2 background
background-color: #40dfd2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40dfd2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 210, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 210, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40dfd2; background: linear-gradient(135deg, #40dfd2, #4082DF);