#37afdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
55, 175, 223
HSL
197°, 72%, 55%
CMYK
75, 22, 0, 13
Luminance
0.3680
Every format
| HEX | #37afdf |
| RGB | rgb(55, 175, 223) |
| HSL | hsl(197, 72%, 55%) |
| CMYK | cmyk(75%, 22%, 0%, 13%) |
| LAB | lab(67.1 -17.0 -33.5) |
| LCH | lch(67.1 37.6 243.1) |
| OKLCH | oklch(0.709 0.124 229.5) |
Copy-ready code
/* CSS */
color: #37afdf;
background-color: #37afdf;
/* Tailwind (arbitrary) */
class="text-[#37afdf] bg-[#37afdf]"
/* SCSS */
$brand: #37afdf;
/* SwiftUI */
Color(red: 0.216, green: 0.686, blue: 0.875)
/* Android */
Color.parseColor("#37afdf")Accessibility — WCAG contrast
Aa
#37afdf on white: 2.51:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#37afdf on black: 8.36:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green68.6%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta21.5%
Yellow0.0%
Key (black)12.5%
Color previews
#37afdf text on a black background
contrast 8.36:1
Card sample
#37afdf text on a white background
contrast 2.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #37afdf;
Background color
Panel with #37afdf background
background-color: #37afdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #37afdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 175, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 175, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #37afdf; background: linear-gradient(135deg, #37afdf, #373FDF);