#3f4bcb
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 75, 203
HSL
235°, 57%, 52%
CMYK
69, 63, 0, 20
Luminance
0.1040
Every format
| HEX | #3f4bcb |
| RGB | rgb(63, 75, 203) |
| HSL | hsl(235, 57%, 52%) |
| CMYK | cmyk(69%, 63%, 0%, 20%) |
| LAB | lab(38.5 37.1 -67.8) |
| LCH | lch(38.5 77.3 298.7) |
| OKLCH | oklch(0.485 0.196 272.6) |
Copy-ready code
/* CSS */
color: #3f4bcb;
background-color: #3f4bcb;
/* Tailwind (arbitrary) */
class="text-[#3f4bcb] bg-[#3f4bcb]"
/* SCSS */
$brand: #3f4bcb;
/* SwiftUI */
Color(red: 0.247, green: 0.294, blue: 0.796)
/* Android */
Color.parseColor("#3f4bcb")Accessibility — WCAG contrast
Aa
#3f4bcb on white: 6.82:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f4bcb on black: 3.08:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green29.4%
Blue79.6%
CMYK percentages
Cyan69.0%
Magenta63.1%
Yellow0.0%
Key (black)20.4%
Color previews
#3f4bcb text on a black background
contrast 3.08:1
Card sample
#3f4bcb text on a white background
contrast 6.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4bcb;
Background color
Panel with #3f4bcb background
background-color: #3f4bcb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4bcb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 75, 203, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 75, 203, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4bcb; background: linear-gradient(135deg, #3f4bcb, #913FCB);