#39ddf4
a balanced, electric cyan · cool · closest name: skyblue
RGB
57, 221, 244
HSL
187°, 90%, 59%
CMYK
77, 9, 0, 4
Luminance
0.5911
Every format
| HEX | #39ddf4 |
| RGB | rgb(57, 221, 244) |
| HSL | hsl(187, 90%, 59%) |
| CMYK | cmyk(77%, 9%, 0%, 4%) |
| LAB | lab(81.3 -33.2 -23.0) |
| LCH | lch(81.3 40.4 214.7) |
| OKLCH | oklch(0.826 0.131 209.2) |
Copy-ready code
/* CSS */
color: #39ddf4;
background-color: #39ddf4;
/* Tailwind (arbitrary) */
class="text-[#39ddf4] bg-[#39ddf4]"
/* SCSS */
$brand: #39ddf4;
/* SwiftUI */
Color(red: 0.224, green: 0.867, blue: 0.957)
/* Android */
Color.parseColor("#39ddf4")Accessibility — WCAG contrast
Aa
#39ddf4 on white: 1.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39ddf4 on black: 12.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green86.7%
Blue95.7%
CMYK percentages
Cyan76.6%
Magenta9.4%
Yellow0.0%
Key (black)4.3%
Color previews
#39ddf4 text on a black background
contrast 12.82:1
Card sample
#39ddf4 text on a white background
contrast 1.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39ddf4;
Background color
Panel with #39ddf4 background
background-color: #39ddf4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39ddf4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 221, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 221, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39ddf4; background: linear-gradient(135deg, #39ddf4, #3960F4);