#37bdf0
a balanced, electric cyan · cool · closest name: skyblue
RGB
55, 189, 240
HSL
197°, 86%, 58%
CMYK
77, 21, 0, 6
Luminance
0.4350
Every format
| HEX | #37bdf0 |
| RGB | rgb(55, 189, 240) |
| HSL | hsl(197, 86%, 58%) |
| CMYK | cmyk(77%, 21%, 0%, 6%) |
| LAB | lab(71.9 -18.8 -35.4) |
| LCH | lch(71.9 40.1 242.1) |
| OKLCH | oklch(0.750 0.133 228.7) |
Copy-ready code
/* CSS */
color: #37bdf0;
background-color: #37bdf0;
/* Tailwind (arbitrary) */
class="text-[#37bdf0] bg-[#37bdf0]"
/* SCSS */
$brand: #37bdf0;
/* SwiftUI */
Color(red: 0.216, green: 0.741, blue: 0.941)
/* Android */
Color.parseColor("#37bdf0")Accessibility — WCAG contrast
Aa
#37bdf0 on white: 2.17:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37bdf0 on black: 9.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green74.1%
Blue94.1%
CMYK percentages
Cyan77.1%
Magenta21.2%
Yellow0.0%
Key (black)5.9%
Color previews
#37bdf0 text on a black background
contrast 9.70:1
Card sample
#37bdf0 text on a white background
contrast 2.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37bdf0;
Background color
Panel with #37bdf0 background
background-color: #37bdf0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37bdf0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 189, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 189, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37bdf0; background: linear-gradient(135deg, #37bdf0, #3742F0);