#39efff
a balanced, electric cyan · cool · closest name: cyan
RGB
57, 239, 255
HSL
185°, 100%, 61%
CMYK
78, 6, 0, 0
Luminance
0.6982
Every format
| HEX | #39efff |
| RGB | rgb(57, 239, 255) |
| HSL | hsl(185, 100%, 61%) |
| CMYK | cmyk(78%, 6%, 0%, 0%) |
| LAB | lab(86.9 -38.3 -20.4) |
| LCH | lch(86.9 43.4 208.0) |
| OKLCH | oklch(0.872 0.139 204.1) |
Copy-ready code
/* CSS */
color: #39efff;
background-color: #39efff;
/* Tailwind (arbitrary) */
class="text-[#39efff] bg-[#39efff]"
/* SCSS */
$brand: #39efff;
/* SwiftUI */
Color(red: 0.224, green: 0.937, blue: 1.000)
/* Android */
Color.parseColor("#39efff")Accessibility — WCAG contrast
Aa
#39efff on white: 1.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39efff on black: 14.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green93.7%
Blue100.0%
CMYK percentages
Cyan77.6%
Magenta6.3%
Yellow0.0%
Key (black)0.0%
Color previews
#39efff text on a black background
contrast 14.96:1
Card sample
#39efff text on a white background
contrast 1.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39efff;
Background color
Panel with #39efff background
background-color: #39efff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39efff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 239, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 239, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39efff; background: linear-gradient(135deg, #39efff, #396BFF);