#37dfd3
a balanced, vivid cyan · cool · “turquoise”
RGB
55, 223, 211
HSL
176°, 72%, 55%
CMYK
75, 0, 5, 13
Luminance
0.5829
Every format
| HEX | #37dfd3 |
| RGB | rgb(55, 223, 211) |
| HSL | hsl(176, 72%, 55%) |
| CMYK | cmyk(75%, 0%, 5%, 13%) |
| LAB | lab(80.9 -43.9 -6.2) |
| LCH | lch(80.9 44.3 188.0) |
| OKLCH | oklch(0.819 0.132 187.6) |
Copy-ready code
/* CSS */
color: #37dfd3;
background-color: #37dfd3;
/* Tailwind (arbitrary) */
class="text-[#37dfd3] bg-[#37dfd3]"
/* SCSS */
$brand: #37dfd3;
/* SwiftUI */
Color(red: 0.216, green: 0.875, blue: 0.827)
/* Android */
Color.parseColor("#37dfd3")Accessibility — WCAG contrast
Aa
#37dfd3 on white: 1.66:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37dfd3 on black: 12.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green87.5%
Blue82.7%
CMYK percentages
Cyan75.3%
Magenta0.0%
Yellow5.4%
Key (black)12.5%
Color previews
#37dfd3 text on a black background
contrast 12.66:1
Card sample
#37dfd3 text on a white background
contrast 1.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37dfd3;
Background color
Panel with #37dfd3 background
background-color: #37dfd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37dfd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 223, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 223, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37dfd3; background: linear-gradient(135deg, #37dfd3, #377BDF);