#51a2db
a balanced, vivid blue · cool · closest name: steelblue
RGB
81, 162, 219
HSL
205°, 66%, 59%
CMYK
63, 26, 0, 14
Luminance
0.3270
Every format
| HEX | #51a2db |
| RGB | rgb(81, 162, 219) |
| HSL | hsl(205, 66%, 59%) |
| CMYK | cmyk(63%, 26%, 0%, 14%) |
| LAB | lab(63.9 -7.5 -36.3) |
| LCH | lch(63.9 37.0 258.3) |
| OKLCH | oklch(0.685 0.116 241.8) |
Copy-ready code
/* CSS */
color: #51a2db;
background-color: #51a2db;
/* Tailwind (arbitrary) */
class="text-[#51a2db] bg-[#51a2db]"
/* SCSS */
$brand: #51a2db;
/* SwiftUI */
Color(red: 0.318, green: 0.635, blue: 0.859)
/* Android */
Color.parseColor("#51a2db")Accessibility — WCAG contrast
Aa
#51a2db on white: 2.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51a2db on black: 7.54:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green63.5%
Blue85.9%
CMYK percentages
Cyan63.0%
Magenta26.0%
Yellow0.0%
Key (black)14.1%
Color previews
#51a2db text on a black background
contrast 7.54:1
Card sample
#51a2db text on a white background
contrast 2.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51a2db;
Background color
Panel with #51a2db background
background-color: #51a2db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51a2db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 162, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 162, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51a2db; background: linear-gradient(135deg, #51a2db, #5C51DB);