#21dfec
a balanced, electric cyan · cool · closest name: cyan
RGB
33, 223, 236
HSL
184°, 84%, 53%
CMYK
86, 6, 0, 8
Luminance
0.5915
Every format
| HEX | #21dfec |
| RGB | rgb(33, 223, 236) |
| HSL | hsl(184, 84%, 53%) |
| CMYK | cmyk(86%, 6%, 0%, 8%) |
| LAB | lab(81.4 -38.4 -18.8) |
| LCH | lch(81.4 42.8 206.1) |
| OKLCH | oklch(0.825 0.136 202.6) |
Copy-ready code
/* CSS */
color: #21dfec;
background-color: #21dfec;
/* Tailwind (arbitrary) */
class="text-[#21dfec] bg-[#21dfec]"
/* SCSS */
$brand: #21dfec;
/* SwiftUI */
Color(red: 0.129, green: 0.875, blue: 0.925)
/* Android */
Color.parseColor("#21dfec")Accessibility — WCAG contrast
Aa
#21dfec on white: 1.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21dfec on black: 12.83:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green87.5%
Blue92.5%
CMYK percentages
Cyan86.0%
Magenta5.5%
Yellow0.0%
Key (black)7.5%
Color previews
#21dfec text on a black background
contrast 12.83:1
Card sample
#21dfec text on a white background
contrast 1.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21dfec;
Background color
Panel with #21dfec background
background-color: #21dfec;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21dfec;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 223, 236, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 223, 236, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21dfec; background: linear-gradient(135deg, #21dfec, #2158EC);