#21cdfb
a balanced, electric cyan · cool · closest name: skyblue
RGB
33, 205, 251
HSL
193°, 97%, 56%
CMYK
87, 18, 0, 2
Luminance
0.5095
Every format
| HEX | #21cdfb |
| RGB | rgb(33, 205, 251) |
| HSL | hsl(193, 97%, 56%) |
| CMYK | cmyk(87%, 18%, 0%, 2%) |
| LAB | lab(76.7 -25.1 -34.0) |
| LCH | lch(76.7 42.3 233.6) |
| OKLCH | oklch(0.788 0.141 222.5) |
Copy-ready code
/* CSS */
color: #21cdfb;
background-color: #21cdfb;
/* Tailwind (arbitrary) */
class="text-[#21cdfb] bg-[#21cdfb]"
/* SCSS */
$brand: #21cdfb;
/* SwiftUI */
Color(red: 0.129, green: 0.804, blue: 0.984)
/* Android */
Color.parseColor("#21cdfb")Accessibility — WCAG contrast
Aa
#21cdfb on white: 1.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cdfb on black: 11.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.4%
Blue98.4%
CMYK percentages
Cyan86.9%
Magenta18.3%
Yellow0.0%
Key (black)1.6%
Color previews
#21cdfb text on a black background
contrast 11.19:1
Card sample
#21cdfb text on a white background
contrast 1.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cdfb;
Background color
Panel with #21cdfb background
background-color: #21cdfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cdfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 205, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 205, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cdfb; background: linear-gradient(135deg, #21cdfb, #213CFB);