#37fdff
a balanced, electric cyan · cool · closest name: cyan
RGB
55, 253, 255
HSL
181°, 100%, 61%
CMYK
78, 1, 0, 0
Luminance
0.7828
Every format
| HEX | #37fdff |
| RGB | rgb(55, 253, 255) |
| HSL | hsl(181, 100%, 61%) |
| CMYK | cmyk(78%, 1%, 0%, 0%) |
| LAB | lab(90.9 -44.8 -14.4) |
| LCH | lch(90.9 47.1 197.8) |
| OKLCH | oklch(0.905 0.146 196.0) |
Copy-ready code
/* CSS */
color: #37fdff;
background-color: #37fdff;
/* Tailwind (arbitrary) */
class="text-[#37fdff] bg-[#37fdff]"
/* SCSS */
$brand: #37fdff;
/* SwiftUI */
Color(red: 0.216, green: 0.992, blue: 1.000)
/* Android */
Color.parseColor("#37fdff")Accessibility — WCAG contrast
Aa
#37fdff on white: 1.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37fdff on black: 16.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green99.2%
Blue100.0%
CMYK percentages
Cyan78.4%
Magenta0.8%
Yellow0.0%
Key (black)0.0%
Color previews
#37fdff text on a black background
contrast 16.66:1
Card sample
#37fdff text on a white background
contrast 1.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37fdff;
Background color
Panel with #37fdff background
background-color: #37fdff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37fdff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 253, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 253, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37fdff; background: linear-gradient(135deg, #37fdff, #3778FF);