#21daf2
a balanced, electric cyan · cool · closest name: skyblue
RGB
33, 218, 242
HSL
187°, 89%, 54%
CMYK
86, 10, 0, 5
Luminance
0.5688
Every format
| HEX | #21daf2 |
| RGB | rgb(33, 218, 242) |
| HSL | hsl(187, 89%, 54%) |
| CMYK | cmyk(86%, 10%, 0%, 5%) |
| LAB | lab(80.1 -34.3 -23.9) |
| LCH | lch(80.1 41.8 214.9) |
| OKLCH | oklch(0.815 0.136 209.3) |
Copy-ready code
/* CSS */
color: #21daf2;
background-color: #21daf2;
/* Tailwind (arbitrary) */
class="text-[#21daf2] bg-[#21daf2]"
/* SCSS */
$brand: #21daf2;
/* SwiftUI */
Color(red: 0.129, green: 0.855, blue: 0.949)
/* Android */
Color.parseColor("#21daf2")Accessibility — WCAG contrast
Aa
#21daf2 on white: 1.70:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21daf2 on black: 12.38:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green85.5%
Blue94.9%
CMYK percentages
Cyan86.4%
Magenta9.9%
Yellow0.0%
Key (black)5.1%
Color previews
#21daf2 text on a black background
contrast 12.38:1
Card sample
#21daf2 text on a white background
contrast 1.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21daf2;
Background color
Panel with #21daf2 background
background-color: #21daf2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21daf2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 218, 242, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 218, 242, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21daf2; background: linear-gradient(135deg, #21daf2, #214FF2);