#3f4bdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 75, 223
HSL
236°, 71%, 56%
CMYK
72, 66, 0, 13
Luminance
0.1142
Every format
| HEX | #3f4bdf |
| RGB | rgb(63, 75, 223) |
| HSL | hsl(236, 71%, 56%) |
| CMYK | cmyk(72%, 66%, 0%, 13%) |
| LAB | lab(40.3 44.0 -76.5) |
| LCH | lch(40.3 88.2 299.9) |
| OKLCH | oklch(0.503 0.221 271.9) |
Copy-ready code
/* CSS */
color: #3f4bdf;
background-color: #3f4bdf;
/* Tailwind (arbitrary) */
class="text-[#3f4bdf] bg-[#3f4bdf]"
/* SCSS */
$brand: #3f4bdf;
/* SwiftUI */
Color(red: 0.247, green: 0.294, blue: 0.875)
/* Android */
Color.parseColor("#3f4bdf")Accessibility — WCAG contrast
Aa
#3f4bdf on white: 6.40:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4bdf on black: 3.28:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green29.4%
Blue87.5%
CMYK percentages
Cyan71.7%
Magenta66.4%
Yellow0.0%
Key (black)12.5%
Color previews
#3f4bdf text on a black background
contrast 3.28:1
Card sample
#3f4bdf text on a white background
contrast 6.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4bdf;
Background color
Panel with #3f4bdf background
background-color: #3f4bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 75, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 75, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4bdf; background: linear-gradient(135deg, #3f4bdf, #9E3FDF);