#3f31df
a balanced, vivid blue · warm · closest name: blue
RGB
63, 49, 223
HSL
245°, 73%, 53%
CMYK
72, 78, 0, 13
Luminance
0.0858
Every format
| HEX | #3f31df |
| RGB | rgb(63, 49, 223) |
| HSL | hsl(245, 73%, 53%) |
| CMYK | cmyk(72%, 78%, 0%, 13%) |
| LAB | lab(35.2 58.2 -84.9) |
| LCH | lch(35.2 102.9 304.4) |
| OKLCH | oklch(0.467 0.246 274.7) |
Copy-ready code
/* CSS */
color: #3f31df;
background-color: #3f31df;
/* Tailwind (arbitrary) */
class="text-[#3f31df] bg-[#3f31df]"
/* SCSS */
$brand: #3f31df;
/* SwiftUI */
Color(red: 0.247, green: 0.192, blue: 0.875)
/* Android */
Color.parseColor("#3f31df")Accessibility — WCAG contrast
Aa
#3f31df on white: 7.73:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f31df on black: 2.72:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green19.2%
Blue87.5%
CMYK percentages
Cyan71.7%
Magenta78.0%
Yellow0.0%
Key (black)12.5%
Color previews
#3f31df text on a black background
contrast 2.72:1
Card sample
#3f31df text on a white background
contrast 7.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f31df;
Background color
Panel with #3f31df background
background-color: #3f31df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f31df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 49, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 49, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f31df; background: linear-gradient(135deg, #3f31df, #B331DF);