#3f4dfd
a balanced, electric blue · warm · closest name: slateblue
RGB
63, 77, 253
HSL
236°, 98%, 62%
CMYK
75, 70, 0, 1
Luminance
0.1346
Every format
| HEX | #3f4dfd |
| RGB | rgb(63, 77, 253) |
| HSL | hsl(236, 98%, 62%) |
| CMYK | cmyk(75%, 70%, 0%, 1%) |
| LAB | lab(43.4 52.8 -88.2) |
| LCH | lch(43.4 102.8 300.9) |
| OKLCH | oklch(0.534 0.255 270.7) |
Copy-ready code
/* CSS */
color: #3f4dfd;
background-color: #3f4dfd;
/* Tailwind (arbitrary) */
class="text-[#3f4dfd] bg-[#3f4dfd]"
/* SCSS */
$brand: #3f4dfd;
/* SwiftUI */
Color(red: 0.247, green: 0.302, blue: 0.992)
/* Android */
Color.parseColor("#3f4dfd")Accessibility — WCAG contrast
Aa
#3f4dfd on white: 5.69:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4dfd on black: 3.69:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green30.2%
Blue99.2%
CMYK percentages
Cyan75.1%
Magenta69.6%
Yellow0.0%
Key (black)0.8%
Color previews
#3f4dfd text on a black background
contrast 3.69:1
Card sample
#3f4dfd text on a white background
contrast 5.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4dfd;
Background color
Panel with #3f4dfd background
background-color: #3f4dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 77, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 77, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4dfd; background: linear-gradient(135deg, #3f4dfd, #B03FFD);