#3f4fff
a balanced, electric blue · warm · closest name: slateblue
RGB
63, 79, 255
HSL
235°, 100%, 62%
CMYK
75, 69, 0, 0
Luminance
0.1387
Every format
| HEX | #3f4fff |
| RGB | rgb(63, 79, 255) |
| HSL | hsl(235, 100%, 62%) |
| CMYK | cmyk(75%, 69%, 0%, 0%) |
| LAB | lab(44.0 52.3 -88.3) |
| LCH | lch(44.0 102.6 300.6) |
| OKLCH | oklch(0.539 0.256 270.4) |
Copy-ready code
/* CSS */
color: #3f4fff;
background-color: #3f4fff;
/* Tailwind (arbitrary) */
class="text-[#3f4fff] bg-[#3f4fff]"
/* SCSS */
$brand: #3f4fff;
/* SwiftUI */
Color(red: 0.247, green: 0.310, blue: 1.000)
/* Android */
Color.parseColor("#3f4fff")Accessibility — WCAG contrast
Aa
#3f4fff on white: 5.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4fff on black: 3.77:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green31.0%
Blue100.0%
CMYK percentages
Cyan75.3%
Magenta69.0%
Yellow0.0%
Key (black)0.0%
Color previews
#3f4fff text on a black background
contrast 3.77:1
Card sample
#3f4fff text on a white background
contrast 5.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4fff;
Background color
Panel with #3f4fff background
background-color: #3f4fff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4fff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 79, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 79, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4fff; background: linear-gradient(135deg, #3f4fff, #AF3FFF);