#21cefd
a balanced, electric cyan · cool · closest name: skyblue
RGB
33, 206, 253
HSL
193°, 98%, 56%
CMYK
87, 19, 0, 1
Luminance
0.5156
Every format
| HEX | #21cefd |
| RGB | rgb(33, 206, 253) |
| HSL | hsl(193, 98%, 56%) |
| CMYK | cmyk(87%, 19%, 0%, 1%) |
| LAB | lab(77.0 -24.9 -34.5) |
| LCH | lch(77.0 42.6 234.2) |
| OKLCH | oklch(0.791 0.142 222.9) |
Copy-ready code
/* CSS */
color: #21cefd;
background-color: #21cefd;
/* Tailwind (arbitrary) */
class="text-[#21cefd] bg-[#21cefd]"
/* SCSS */
$brand: #21cefd;
/* SwiftUI */
Color(red: 0.129, green: 0.808, blue: 0.992)
/* Android */
Color.parseColor("#21cefd")Accessibility — WCAG contrast
Aa
#21cefd on white: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cefd on black: 11.31:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.8%
Blue99.2%
CMYK percentages
Cyan87.0%
Magenta18.6%
Yellow0.0%
Key (black)0.8%
Color previews
#21cefd text on a black background
contrast 11.31:1
Card sample
#21cefd text on a white background
contrast 1.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cefd;
Background color
Panel with #21cefd background
background-color: #21cefd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cefd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 206, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 206, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cefd; background: linear-gradient(135deg, #21cefd, #213CFD);