#37bdf1
a balanced, electric cyan · cool · closest name: skyblue
RGB
55, 189, 241
HSL
197°, 87%, 58%
CMYK
77, 22, 0, 6
Luminance
0.4356
Every format
| HEX | #37bdf1 |
| RGB | rgb(55, 189, 241) |
| HSL | hsl(197, 87%, 58%) |
| CMYK | cmyk(77%, 22%, 0%, 6%) |
| LAB | lab(71.9 -18.4 -35.9) |
| LCH | lch(71.9 40.4 242.8) |
| OKLCH | oklch(0.750 0.133 229.2) |
Copy-ready code
/* CSS */
color: #37bdf1;
background-color: #37bdf1;
/* Tailwind (arbitrary) */
class="text-[#37bdf1] bg-[#37bdf1]"
/* SCSS */
$brand: #37bdf1;
/* SwiftUI */
Color(red: 0.216, green: 0.741, blue: 0.945)
/* Android */
Color.parseColor("#37bdf1")Accessibility — WCAG contrast
Aa
#37bdf1 on white: 2.16:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37bdf1 on black: 9.71:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green74.1%
Blue94.5%
CMYK percentages
Cyan77.2%
Magenta21.6%
Yellow0.0%
Key (black)5.5%
Color previews
#37bdf1 text on a black background
contrast 9.71:1
Card sample
#37bdf1 text on a white background
contrast 2.16:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37bdf1;
Background color
Panel with #37bdf1 background
background-color: #37bdf1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37bdf1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 189, 241, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 189, 241, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37bdf1; background: linear-gradient(135deg, #37bdf1, #3741F1);