#3f4dba
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 77, 186
HSL
233°, 49%, 49%
CMYK
66, 59, 0, 27
Luminance
0.0991
Every format
| HEX | #3f4dba |
| RGB | rgb(63, 77, 186) |
| HSL | hsl(233, 49%, 49%) |
| CMYK | cmyk(66%, 59%, 0%, 27%) |
| LAB | lab(37.7 29.9 -59.3) |
| LCH | lch(37.7 66.4 296.8) |
| OKLCH | oklch(0.474 0.171 272.5) |
Copy-ready code
/* CSS */
color: #3f4dba;
background-color: #3f4dba;
/* Tailwind (arbitrary) */
class="text-[#3f4dba] bg-[#3f4dba]"
/* SCSS */
$brand: #3f4dba;
/* SwiftUI */
Color(red: 0.247, green: 0.302, blue: 0.729)
/* Android */
Color.parseColor("#3f4dba")Accessibility — WCAG contrast
Aa
#3f4dba on white: 7.04:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f4dba on black: 2.98:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green30.2%
Blue72.9%
CMYK percentages
Cyan66.1%
Magenta58.6%
Yellow0.0%
Key (black)27.1%
Color previews
#3f4dba text on a black background
contrast 2.98:1
Card sample
#3f4dba text on a white background
contrast 7.04:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4dba;
Background color
Panel with #3f4dba background
background-color: #3f4dba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4dba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 77, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 77, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4dba; background: linear-gradient(135deg, #3f4dba, #833FBA);