#51c2db
a balanced, vivid cyan · cool · closest name: skyblue
RGB
81, 194, 219
HSL
191°, 66%, 59%
CMYK
63, 11, 0, 14
Luminance
0.4545
Every format
| HEX | #51c2db |
| RGB | rgb(81, 194, 219) |
| HSL | hsl(191, 66%, 59%) |
| CMYK | cmyk(63%, 11%, 0%, 14%) |
| LAB | lab(73.2 -24.4 -22.0) |
| LCH | lch(73.2 32.9 222.0) |
| OKLCH | oklch(0.759 0.107 214.8) |
Copy-ready code
/* CSS */
color: #51c2db;
background-color: #51c2db;
/* Tailwind (arbitrary) */
class="text-[#51c2db] bg-[#51c2db]"
/* SCSS */
$brand: #51c2db;
/* SwiftUI */
Color(red: 0.318, green: 0.761, blue: 0.859)
/* Android */
Color.parseColor("#51c2db")Accessibility — WCAG contrast
Aa
#51c2db on white: 2.08:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51c2db on black: 10.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green76.1%
Blue85.9%
CMYK percentages
Cyan63.0%
Magenta11.4%
Yellow0.0%
Key (black)14.1%
Color previews
#51c2db text on a black background
contrast 10.09:1
Card sample
#51c2db text on a white background
contrast 2.08:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51c2db;
Background color
Panel with #51c2db background
background-color: #51c2db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51c2db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 194, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 194, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51c2db; background: linear-gradient(135deg, #51c2db, #5166DB);