#3f46bd
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 70, 189
HSL
237°, 50%, 49%
CMYK
67, 63, 0, 26
Luminance
0.0911
Every format
| HEX | #3f46bd |
| RGB | rgb(63, 70, 189) |
| HSL | hsl(237, 50%, 49%) |
| CMYK | cmyk(67%, 63%, 0%, 26%) |
| LAB | lab(36.2 35.4 -63.5) |
| LCH | lch(36.2 72.7 299.2) |
| OKLCH | oklch(0.464 0.183 274.1) |
Copy-ready code
/* CSS */
color: #3f46bd;
background-color: #3f46bd;
/* Tailwind (arbitrary) */
class="text-[#3f46bd] bg-[#3f46bd]"
/* SCSS */
$brand: #3f46bd;
/* SwiftUI */
Color(red: 0.247, green: 0.275, blue: 0.741)
/* Android */
Color.parseColor("#3f46bd")Accessibility — WCAG contrast
Aa
#3f46bd on white: 7.44:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f46bd on black: 2.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green27.5%
Blue74.1%
CMYK percentages
Cyan66.7%
Magenta63.0%
Yellow0.0%
Key (black)25.9%
Color previews
#3f46bd text on a black background
contrast 2.82:1
Card sample
#3f46bd text on a white background
contrast 7.44:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f46bd;
Background color
Panel with #3f46bd background
background-color: #3f46bd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f46bd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 70, 189, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 70, 189, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f46bd; background: linear-gradient(135deg, #3f46bd, #8C3FBD);