#37d3eb
a balanced, electric cyan · cool · closest name: skyblue
RGB
55, 211, 235
HSL
188°, 82%, 57%
CMYK
77, 10, 0, 8
Luminance
0.5340
Every format
| HEX | #37d3eb |
| RGB | rgb(55, 211, 235) |
| HSL | hsl(188, 82%, 57%) |
| CMYK | cmyk(77%, 10%, 0%, 8%) |
| LAB | lab(78.1 -31.4 -23.2) |
| LCH | lch(78.1 39.0 216.5) |
| OKLCH | oklch(0.799 0.127 210.5) |
Copy-ready code
/* CSS */
color: #37d3eb;
background-color: #37d3eb;
/* Tailwind (arbitrary) */
class="text-[#37d3eb] bg-[#37d3eb]"
/* SCSS */
$brand: #37d3eb;
/* SwiftUI */
Color(red: 0.216, green: 0.827, blue: 0.922)
/* Android */
Color.parseColor("#37d3eb")Accessibility — WCAG contrast
Aa
#37d3eb on white: 1.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37d3eb on black: 11.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green82.7%
Blue92.2%
CMYK percentages
Cyan76.6%
Magenta10.2%
Yellow0.0%
Key (black)7.8%
Color previews
#37d3eb text on a black background
contrast 11.68:1
Card sample
#37d3eb text on a white background
contrast 1.80:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37d3eb;
Background color
Panel with #37d3eb background
background-color: #37d3eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37d3eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 211, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 211, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37d3eb; background: linear-gradient(135deg, #37d3eb, #375BEB);