#3b40eb
a balanced, electric blue · warm · closest name: slateblue
RGB
59, 64, 235
HSL
238°, 82%, 58%
CMYK
75, 73, 0, 8
Luminance
0.1059
Every format
| HEX | #3b40eb |
| RGB | rgb(59, 64, 235) |
| HSL | hsl(238, 82%, 58%) |
| CMYK | cmyk(75%, 73%, 0%, 8%) |
| LAB | lab(38.9 53.9 -85.6) |
| LCH | lch(38.9 101.1 302.2) |
| OKLCH | oklch(0.496 0.248 271.6) |
Copy-ready code
/* CSS */
color: #3b40eb;
background-color: #3b40eb;
/* Tailwind (arbitrary) */
class="text-[#3b40eb] bg-[#3b40eb]"
/* SCSS */
$brand: #3b40eb;
/* SwiftUI */
Color(red: 0.231, green: 0.251, blue: 0.922)
/* Android */
Color.parseColor("#3b40eb")Accessibility — WCAG contrast
Aa
#3b40eb on white: 6.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3b40eb on black: 3.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green25.1%
Blue92.2%
CMYK percentages
Cyan74.9%
Magenta72.8%
Yellow0.0%
Key (black)7.8%
Color previews
#3b40eb text on a black background
contrast 3.12:1
Card sample
#3b40eb text on a white background
contrast 6.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b40eb;
Background color
Panel with #3b40eb background
background-color: #3b40eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b40eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 64, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 64, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b40eb; background: linear-gradient(135deg, #3b40eb, #AB3BEB);