#3f4bba
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 75, 186
HSL
234°, 49%, 49%
CMYK
66, 60, 0, 27
Luminance
0.0963
Every format
| HEX | #3f4bba |
| RGB | rgb(63, 75, 186) |
| HSL | hsl(234, 49%, 49%) |
| CMYK | cmyk(66%, 60%, 0%, 27%) |
| LAB | lab(37.2 31.2 -60.1) |
| LCH | lch(37.2 67.7 297.4) |
| OKLCH | oklch(0.471 0.173 273.1) |
Copy-ready code
/* CSS */
color: #3f4bba;
background-color: #3f4bba;
/* Tailwind (arbitrary) */
class="text-[#3f4bba] bg-[#3f4bba]"
/* SCSS */
$brand: #3f4bba;
/* SwiftUI */
Color(red: 0.247, green: 0.294, blue: 0.729)
/* Android */
Color.parseColor("#3f4bba")Accessibility — WCAG contrast
Aa
#3f4bba on white: 7.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f4bba on black: 2.93:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green29.4%
Blue72.9%
CMYK percentages
Cyan66.1%
Magenta59.7%
Yellow0.0%
Key (black)27.1%
Color previews
#3f4bba text on a black background
contrast 2.93:1
Card sample
#3f4bba text on a white background
contrast 7.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f4bba;
Background color
Panel with #3f4bba background
background-color: #3f4bba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f4bba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 75, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 75, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f4bba; background: linear-gradient(135deg, #3f4bba, #853FBA);