#21ebff
a balanced, electric cyan · cool · closest name: cyan
RGB
33, 235, 255
HSL
185°, 100%, 57%
CMYK
87, 8, 0, 0
Luminance
0.6696
Every format
| HEX | #21ebff |
| RGB | rgb(33, 235, 255) |
| HSL | hsl(185, 100%, 57%) |
| CMYK | cmyk(87%, 8%, 0%, 0%) |
| LAB | lab(85.5 -38.2 -22.6) |
| LCH | lch(85.5 44.4 210.6) |
| OKLCH | oklch(0.860 0.143 206.1) |
Copy-ready code
/* CSS */
color: #21ebff;
background-color: #21ebff;
/* Tailwind (arbitrary) */
class="text-[#21ebff] bg-[#21ebff]"
/* SCSS */
$brand: #21ebff;
/* SwiftUI */
Color(red: 0.129, green: 0.922, blue: 1.000)
/* Android */
Color.parseColor("#21ebff")Accessibility — WCAG contrast
Aa
#21ebff on white: 1.46:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21ebff on black: 14.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green92.2%
Blue100.0%
CMYK percentages
Cyan87.1%
Magenta7.8%
Yellow0.0%
Key (black)0.0%
Color previews
#21ebff text on a black background
contrast 14.39:1
Card sample
#21ebff text on a white background
contrast 1.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21ebff;
Background color
Panel with #21ebff background
background-color: #21ebff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21ebff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 235, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 235, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21ebff; background: linear-gradient(135deg, #21ebff, #2157FF);