#21ceeb
a balanced, electric cyan · cool · closest name: skyblue
RGB
33, 206, 235
HSL
189°, 84%, 53%
CMYK
86, 12, 0, 8
Luminance
0.5046
Every format
| HEX | #21ceeb |
| RGB | rgb(33, 206, 235) |
| HSL | hsl(189, 84%, 53%) |
| CMYK | cmyk(86%, 12%, 0%, 8%) |
| LAB | lab(76.3 -30.7 -25.9) |
| LCH | lch(76.3 40.2 220.1) |
| OKLCH | oklch(0.784 0.133 213.1) |
Copy-ready code
/* CSS */
color: #21ceeb;
background-color: #21ceeb;
/* Tailwind (arbitrary) */
class="text-[#21ceeb] bg-[#21ceeb]"
/* SCSS */
$brand: #21ceeb;
/* SwiftUI */
Color(red: 0.129, green: 0.808, blue: 0.922)
/* Android */
Color.parseColor("#21ceeb")Accessibility — WCAG contrast
Aa
#21ceeb on white: 1.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21ceeb on black: 11.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.8%
Blue92.2%
CMYK percentages
Cyan86.0%
Magenta12.3%
Yellow0.0%
Key (black)7.8%
Color previews
#21ceeb text on a black background
contrast 11.09:1
Card sample
#21ceeb text on a white background
contrast 1.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21ceeb;
Background color
Panel with #21ceeb background
background-color: #21ceeb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21ceeb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 206, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 206, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21ceeb; background: linear-gradient(135deg, #21ceeb, #2147EB);