#288ade
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
40, 138, 222
HSL
208°, 73%, 51%
CMYK
82, 38, 0, 13
Luminance
0.2390
Every format
| HEX | #288ade |
| RGB | rgb(40, 138, 222) |
| HSL | hsl(208, 73%, 51%) |
| CMYK | cmyk(82%, 38%, 0%, 13%) |
| LAB | lab(56.0 1.9 -50.5) |
| LCH | lch(56.0 50.6 272.2) |
| OKLCH | oklch(0.620 0.154 249.4) |
Copy-ready code
/* CSS */
color: #288ade;
background-color: #288ade;
/* Tailwind (arbitrary) */
class="text-[#288ade] bg-[#288ade]"
/* SCSS */
$brand: #288ade;
/* SwiftUI */
Color(red: 0.157, green: 0.541, blue: 0.871)
/* Android */
Color.parseColor("#288ade")Accessibility — WCAG contrast
Aa
#288ade on white: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#288ade on black: 5.78:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green54.1%
Blue87.1%
CMYK percentages
Cyan82.0%
Magenta37.8%
Yellow0.0%
Key (black)12.9%
Color previews
#288ade text on a black background
contrast 5.78:1
Card sample
#288ade text on a white background
contrast 3.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #288ade;
Background color
Panel with #288ade background
background-color: #288ade;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #288ade;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 138, 222, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 138, 222, 0.45);
Border & gradient
Gradient panel
border: 3px solid #288ade; background: linear-gradient(135deg, #288ade, #3F28DE);