#4151eb
a balanced, electric blue · warm · closest name: slateblue
RGB
65, 81, 235
HSL
234°, 81%, 59%
CMYK
72, 66, 0, 8
Luminance
0.1301
Every format
| HEX | #4151eb |
| RGB | rgb(65, 81, 235) |
| HSL | hsl(234, 81%, 59%) |
| CMYK | cmyk(72%, 66%, 0%, 8%) |
| LAB | lab(42.8 44.6 -79.2) |
| LCH | lch(42.8 90.9 299.4) |
| OKLCH | oklch(0.525 0.229 271.2) |
Copy-ready code
/* CSS */
color: #4151eb;
background-color: #4151eb;
/* Tailwind (arbitrary) */
class="text-[#4151eb] bg-[#4151eb]"
/* SCSS */
$brand: #4151eb;
/* SwiftUI */
Color(red: 0.255, green: 0.318, blue: 0.922)
/* Android */
Color.parseColor("#4151eb")Accessibility — WCAG contrast
Aa
#4151eb on white: 5.83:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4151eb on black: 3.60:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.5%
Green31.8%
Blue92.2%
CMYK percentages
Cyan72.3%
Magenta65.5%
Yellow0.0%
Key (black)7.8%
Color previews
#4151eb text on a black background
contrast 3.60:1
Card sample
#4151eb text on a white background
contrast 5.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4151eb;
Background color
Panel with #4151eb background
background-color: #4151eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4151eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(65, 81, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(65, 81, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4151eb; background: linear-gradient(135deg, #4151eb, #A241EB);