#4040eb
a balanced, electric blue · warm · closest name: slateblue
RGB
64, 64, 235
HSL
240°, 81%, 59%
CMYK
73, 73, 0, 8
Luminance
0.1075
Every format
| HEX | #4040eb |
| RGB | rgb(64, 64, 235) |
| HSL | hsl(240, 81%, 59%) |
| CMYK | cmyk(73%, 73%, 0%, 8%) |
| LAB | lab(39.2 54.3 -85.1) |
| LCH | lch(39.2 100.9 302.5) |
| OKLCH | oklch(0.499 0.247 272.9) |
Copy-ready code
/* CSS */
color: #4040eb;
background-color: #4040eb;
/* Tailwind (arbitrary) */
class="text-[#4040eb] bg-[#4040eb]"
/* SCSS */
$brand: #4040eb;
/* SwiftUI */
Color(red: 0.251, green: 0.251, blue: 0.922)
/* Android */
Color.parseColor("#4040eb")Accessibility — WCAG contrast
Aa
#4040eb on white: 6.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4040eb on black: 3.15:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green25.1%
Blue92.2%
CMYK percentages
Cyan72.8%
Magenta72.8%
Yellow0.0%
Key (black)7.8%
Color previews
#4040eb text on a black background
contrast 3.15:1
Card sample
#4040eb text on a white background
contrast 6.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4040eb;
Background color
Panel with #4040eb background
background-color: #4040eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4040eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 64, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 64, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4040eb; background: linear-gradient(135deg, #4040eb, #B240EB);