#3f3dbb
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 61, 187
HSL
241°, 51%, 49%
CMYK
66, 67, 0, 27
Luminance
0.0798
Every format
| HEX | #3f3dbb |
| RGB | rgb(63, 61, 187) |
| HSL | hsl(241, 51%, 49%) |
| CMYK | cmyk(66%, 67%, 0%, 27%) |
| LAB | lab(33.9 40.3 -66.0) |
| LCH | lch(33.9 77.3 301.4) |
| OKLCH | oklch(0.447 0.192 276.1) |
Copy-ready code
/* CSS */
color: #3f3dbb;
background-color: #3f3dbb;
/* Tailwind (arbitrary) */
class="text-[#3f3dbb] bg-[#3f3dbb]"
/* SCSS */
$brand: #3f3dbb;
/* SwiftUI */
Color(red: 0.247, green: 0.239, blue: 0.733)
/* Android */
Color.parseColor("#3f3dbb")Accessibility — WCAG contrast
Aa
#3f3dbb on white: 8.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3dbb on black: 2.60:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green23.9%
Blue73.3%
CMYK percentages
Cyan66.3%
Magenta67.4%
Yellow0.0%
Key (black)26.7%
Color previews
#3f3dbb text on a black background
contrast 2.60:1
Card sample
#3f3dbb text on a white background
contrast 8.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3dbb;
Background color
Panel with #3f3dbb background
background-color: #3f3dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 61, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 61, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3dbb; background: linear-gradient(135deg, #3f3dbb, #933DBB);