#37cfdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
55, 207, 223
HSL
186°, 72%, 55%
CMYK
75, 7, 0, 13
Luminance
0.5077
Every format
| HEX | #37cfdf |
| RGB | rgb(55, 207, 223) |
| HSL | hsl(186, 72%, 55%) |
| CMYK | cmyk(75%, 7%, 0%, 13%) |
| LAB | lab(76.5 -33.1 -19.1) |
| LCH | lch(76.5 38.2 210.0) |
| OKLCH | oklch(0.785 0.123 205.7) |
Copy-ready code
/* CSS */
color: #37cfdf;
background-color: #37cfdf;
/* Tailwind (arbitrary) */
class="text-[#37cfdf] bg-[#37cfdf]"
/* SCSS */
$brand: #37cfdf;
/* SwiftUI */
Color(red: 0.216, green: 0.812, blue: 0.875)
/* Android */
Color.parseColor("#37cfdf")Accessibility — WCAG contrast
Aa
#37cfdf on white: 1.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37cfdf on black: 11.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green81.2%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta7.2%
Yellow0.0%
Key (black)12.5%
Color previews
#37cfdf text on a black background
contrast 11.15:1
Card sample
#37cfdf text on a white background
contrast 1.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37cfdf;
Background color
Panel with #37cfdf background
background-color: #37cfdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37cfdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 207, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 207, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37cfdf; background: linear-gradient(135deg, #37cfdf, #375FDF);