#39ddef
a balanced, electric cyan · cool · closest name: cyan
RGB
57, 221, 239
HSL
186°, 85%, 58%
CMYK
76, 8, 0, 6
Luminance
0.5881
Every format
| HEX | #39ddef |
| RGB | rgb(57, 221, 239) |
| HSL | hsl(186, 85%, 58%) |
| CMYK | cmyk(76%, 8%, 0%, 6%) |
| LAB | lab(81.2 -34.7 -20.6) |
| LCH | lch(81.2 40.4 210.7) |
| OKLCH | oklch(0.824 0.130 206.2) |
Copy-ready code
/* CSS */
color: #39ddef;
background-color: #39ddef;
/* Tailwind (arbitrary) */
class="text-[#39ddef] bg-[#39ddef]"
/* SCSS */
$brand: #39ddef;
/* SwiftUI */
Color(red: 0.224, green: 0.867, blue: 0.937)
/* Android */
Color.parseColor("#39ddef")Accessibility — WCAG contrast
Aa
#39ddef on white: 1.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39ddef on black: 12.76:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green86.7%
Blue93.7%
CMYK percentages
Cyan76.2%
Magenta7.5%
Yellow0.0%
Key (black)6.3%
Color previews
#39ddef text on a black background
contrast 12.76:1
Card sample
#39ddef text on a white background
contrast 1.65:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39ddef;
Background color
Panel with #39ddef background
background-color: #39ddef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39ddef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 221, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 221, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39ddef; background: linear-gradient(135deg, #39ddef, #3964EF);