#37ccdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
55, 204, 223
HSL
187°, 72%, 55%
CMYK
75, 9, 0, 13
Luminance
0.4933
Every format
| HEX | #37ccdf |
| RGB | rgb(55, 204, 223) |
| HSL | hsl(187, 72%, 55%) |
| CMYK | cmyk(75%, 9%, 0%, 13%) |
| LAB | lab(75.7 -31.7 -20.5) |
| LCH | lch(75.7 37.7 212.9) |
| OKLCH | oklch(0.778 0.122 207.8) |
Copy-ready code
/* CSS */
color: #37ccdf;
background-color: #37ccdf;
/* Tailwind (arbitrary) */
class="text-[#37ccdf] bg-[#37ccdf]"
/* SCSS */
$brand: #37ccdf;
/* SwiftUI */
Color(red: 0.216, green: 0.800, blue: 0.875)
/* Android */
Color.parseColor("#37ccdf")Accessibility — WCAG contrast
Aa
#37ccdf on white: 1.93:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37ccdf on black: 10.87:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green80.0%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta8.5%
Yellow0.0%
Key (black)12.5%
Color previews
#37ccdf text on a black background
contrast 10.87:1
Card sample
#37ccdf text on a white background
contrast 1.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37ccdf;
Background color
Panel with #37ccdf background
background-color: #37ccdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37ccdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 204, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 204, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37ccdf; background: linear-gradient(135deg, #37ccdf, #375CDF);