#51bdf2
a balanced, electric cyan · cool · closest name: skyblue
RGB
81, 189, 242
HSL
200°, 86%, 63%
CMYK
67, 22, 0, 5
Luminance
0.4456
Every format
| HEX | #51bdf2 |
| RGB | rgb(81, 189, 242) |
| HSL | hsl(200, 86%, 63%) |
| CMYK | cmyk(67%, 22%, 0%, 5%) |
| LAB | lab(72.6 -14.8 -35.4) |
| LCH | lch(72.6 38.3 247.3) |
| OKLCH | oklch(0.757 0.124 233.2) |
Copy-ready code
/* CSS */
color: #51bdf2;
background-color: #51bdf2;
/* Tailwind (arbitrary) */
class="text-[#51bdf2] bg-[#51bdf2]"
/* SCSS */
$brand: #51bdf2;
/* SwiftUI */
Color(red: 0.318, green: 0.741, blue: 0.949)
/* Android */
Color.parseColor("#51bdf2")Accessibility — WCAG contrast
Aa
#51bdf2 on white: 2.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51bdf2 on black: 9.91:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green74.1%
Blue94.9%
CMYK percentages
Cyan66.5%
Magenta21.9%
Yellow0.0%
Key (black)5.1%
Color previews
#51bdf2 text on a black background
contrast 9.91:1
Card sample
#51bdf2 text on a white background
contrast 2.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51bdf2;
Background color
Panel with #51bdf2 background
background-color: #51bdf2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51bdf2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 189, 242, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 189, 242, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51bdf2; background: linear-gradient(135deg, #51bdf2, #5151F2);