#21cfff
a balanced, electric cyan · cool · closest name: skyblue
RGB
33, 207, 255
HSL
193°, 100%, 57%
CMYK
87, 19, 0, 0
Luminance
0.5217
Every format
| HEX | #21cfff |
| RGB | rgb(33, 207, 255) |
| HSL | hsl(193, 100%, 57%) |
| CMYK | cmyk(87%, 19%, 0%, 0%) |
| LAB | lab(77.4 -24.8 -35.0) |
| LCH | lch(77.4 42.9 234.7) |
| OKLCH | oklch(0.795 0.143 223.3) |
Copy-ready code
/* CSS */
color: #21cfff;
background-color: #21cfff;
/* Tailwind (arbitrary) */
class="text-[#21cfff] bg-[#21cfff]"
/* SCSS */
$brand: #21cfff;
/* SwiftUI */
Color(red: 0.129, green: 0.812, blue: 1.000)
/* Android */
Color.parseColor("#21cfff")Accessibility — WCAG contrast
Aa
#21cfff on white: 1.84:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cfff on black: 11.43:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green81.2%
Blue100.0%
CMYK percentages
Cyan87.1%
Magenta18.8%
Yellow0.0%
Key (black)0.0%
Color previews
#21cfff text on a black background
contrast 11.43:1
Card sample
#21cfff text on a white background
contrast 1.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cfff;
Background color
Panel with #21cfff background
background-color: #21cfff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cfff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 207, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 207, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cfff; background: linear-gradient(135deg, #21cfff, #213BFF);