#3f4bbc
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 75, 188
HSL
234°, 50%, 49%
CMYK
67, 60, 0, 26
Luminance
0.0972
Every format
| HEX | #3f4bbc |
| RGB | rgb(63, 75, 188) |
| HSL | hsl(234, 50%, 49%) |
| CMYK | cmyk(67%, 60%, 0%, 26%) |
| LAB | lab(37.3 31.9 -61.0) |
| LCH | lch(37.3 68.8 297.6) |
| OKLCH | oklch(0.472 0.176 273.0) |
Copy-ready code
/* CSS */
color: #3f4bbc;
background-color: #3f4bbc;
/* Tailwind (arbitrary) */
class="text-[#3f4bbc] bg-[#3f4bbc]"
/* SCSS */
$brand: #3f4bbc;
/* SwiftUI */
Color(red: 0.247, green: 0.294, blue: 0.737)
/* Android */
Color.parseColor("#3f4bbc")Accessibility — WCAG contrast
Aa
#3f4bbc on white: 7.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f4bbc on black: 2.94:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green29.4%
Blue73.7%
CMYK percentages
Cyan66.5%
Magenta60.1%
Yellow0.0%
Key (black)26.3%
Color previews
#3f4bbc text on a black background
contrast 2.94:1
Card sample
#3f4bbc text on a white background
contrast 7.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4bbc;
Background color
Panel with #3f4bbc background
background-color: #3f4bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 75, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 75, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4bbc; background: linear-gradient(135deg, #3f4bbc, #863FBC);