#3fffff
a balanced, electric cyan · cool · closest name: cyan
RGB
63, 255, 255
HSL
180°, 100%, 62%
CMYK
75, 0, 0, 0
Luminance
0.7980
Every format
| HEX | #3fffff |
| RGB | rgb(63, 255, 255) |
| HSL | hsl(180, 100%, 62%) |
| CMYK | cmyk(75%, 0%, 0%, 0%) |
| LAB | lab(91.6 -45.0 -13.4) |
| LCH | lch(91.6 46.9 196.6) |
| OKLCH | oklch(0.911 0.144 194.9) |
Copy-ready code
/* CSS */
color: #3fffff;
background-color: #3fffff;
/* Tailwind (arbitrary) */
class="text-[#3fffff] bg-[#3fffff]"
/* SCSS */
$brand: #3fffff;
/* SwiftUI */
Color(red: 0.247, green: 1.000, blue: 1.000)
/* Android */
Color.parseColor("#3fffff")Accessibility — WCAG contrast
Aa
#3fffff on white: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3fffff on black: 16.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green100.0%
Blue100.0%
CMYK percentages
Cyan75.3%
Magenta0.0%
Yellow0.0%
Key (black)0.0%
Color previews
#3fffff text on a black background
contrast 16.96:1
Card sample
#3fffff text on a white background
contrast 1.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3fffff;
Background color
Panel with #3fffff background
background-color: #3fffff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3fffff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 255, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 255, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3fffff; background: linear-gradient(135deg, #3fffff, #3F7FFF);