#21dffc
a balanced, electric cyan · cool · closest name: skyblue
RGB
33, 223, 252
HSL
188°, 97%, 56%
CMYK
87, 12, 0, 1
Luminance
0.6013
Every format
| HEX | #21dffc |
| RGB | rgb(33, 223, 252) |
| HSL | hsl(188, 97%, 56%) |
| CMYK | cmyk(87%, 12%, 0%, 1%) |
| LAB | lab(81.9 -33.5 -26.5) |
| LCH | lch(81.9 42.7 218.3) |
| OKLCH | oklch(0.831 0.141 211.7) |
Copy-ready code
/* CSS */
color: #21dffc;
background-color: #21dffc;
/* Tailwind (arbitrary) */
class="text-[#21dffc] bg-[#21dffc]"
/* SCSS */
$brand: #21dffc;
/* SwiftUI */
Color(red: 0.129, green: 0.875, blue: 0.988)
/* Android */
Color.parseColor("#21dffc")Accessibility — WCAG contrast
Aa
#21dffc on white: 1.61:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21dffc on black: 13.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green87.5%
Blue98.8%
CMYK percentages
Cyan86.9%
Magenta11.5%
Yellow0.0%
Key (black)1.2%
Color previews
#21dffc text on a black background
contrast 13.03:1
Card sample
#21dffc text on a white background
contrast 1.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21dffc;
Background color
Panel with #21dffc background
background-color: #21dffc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21dffc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 223, 252, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 223, 252, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21dffc; background: linear-gradient(135deg, #21dffc, #214DFC);