#3f4cdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 76, 223
HSL
235°, 71%, 56%
CMYK
72, 66, 0, 13
Luminance
0.1155
Every format
| HEX | #3f4cdf |
| RGB | rgb(63, 76, 223) |
| HSL | hsl(235, 71%, 56%) |
| CMYK | cmyk(72%, 66%, 0%, 13%) |
| LAB | lab(40.5 43.4 -76.1) |
| LCH | lch(40.5 87.6 299.7) |
| OKLCH | oklch(0.505 0.220 271.7) |
Copy-ready code
/* CSS */
color: #3f4cdf;
background-color: #3f4cdf;
/* Tailwind (arbitrary) */
class="text-[#3f4cdf] bg-[#3f4cdf]"
/* SCSS */
$brand: #3f4cdf;
/* SwiftUI */
Color(red: 0.247, green: 0.298, blue: 0.875)
/* Android */
Color.parseColor("#3f4cdf")Accessibility — WCAG contrast
Aa
#3f4cdf on white: 6.34:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4cdf on black: 3.31:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green29.8%
Blue87.5%
CMYK percentages
Cyan71.7%
Magenta65.9%
Yellow0.0%
Key (black)12.5%
Color previews
#3f4cdf text on a black background
contrast 3.31:1
Card sample
#3f4cdf text on a white background
contrast 6.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4cdf;
Background color
Panel with #3f4cdf background
background-color: #3f4cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 76, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 76, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4cdf; background: linear-gradient(135deg, #3f4cdf, #9D3FDF);