#3f4bcf
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 75, 207
HSL
235°, 60%, 53%
CMYK
70, 64, 0, 19
Luminance
0.1059
Every format
| HEX | #3f4bcf |
| RGB | rgb(63, 75, 207) |
| HSL | hsl(235, 60%, 53%) |
| CMYK | cmyk(70%, 64%, 0%, 19%) |
| LAB | lab(38.9 38.5 -69.5) |
| LCH | lch(38.9 79.5 299.0) |
| OKLCH | oklch(0.489 0.201 272.4) |
Copy-ready code
/* CSS */
color: #3f4bcf;
background-color: #3f4bcf;
/* Tailwind (arbitrary) */
class="text-[#3f4bcf] bg-[#3f4bcf]"
/* SCSS */
$brand: #3f4bcf;
/* SwiftUI */
Color(red: 0.247, green: 0.294, blue: 0.812)
/* Android */
Color.parseColor("#3f4bcf")Accessibility — WCAG contrast
Aa
#3f4bcf on white: 6.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4bcf on black: 3.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green29.4%
Blue81.2%
CMYK percentages
Cyan69.6%
Magenta63.8%
Yellow0.0%
Key (black)18.8%
Color previews
#3f4bcf text on a black background
contrast 3.12:1
Card sample
#3f4bcf text on a white background
contrast 6.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4bcf;
Background color
Panel with #3f4bcf background
background-color: #3f4bcf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4bcf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 75, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 75, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4bcf; background: linear-gradient(135deg, #3f4bcf, #933FCF);