#3f3fd7
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 63, 215
HSL
240°, 66%, 55%
CMYK
71, 71, 0, 16
Luminance
0.0952
Every format
| HEX | #3f3fd7 |
| RGB | rgb(63, 63, 215) |
| HSL | hsl(240, 66%, 55%) |
| CMYK | cmyk(71%, 71%, 0%, 16%) |
| LAB | lab(37.0 48.3 -77.3) |
| LCH | lch(37.0 91.2 302.0) |
| OKLCH | oklch(0.477 0.224 273.9) |
Copy-ready code
/* CSS */
color: #3f3fd7;
background-color: #3f3fd7;
/* Tailwind (arbitrary) */
class="text-[#3f3fd7] bg-[#3f3fd7]"
/* SCSS */
$brand: #3f3fd7;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.843)
/* Android */
Color.parseColor("#3f3fd7")Accessibility — WCAG contrast
Aa
#3f3fd7 on white: 7.23:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3fd7 on black: 2.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue84.3%
CMYK percentages
Cyan70.7%
Magenta70.7%
Yellow0.0%
Key (black)15.7%
Color previews
#3f3fd7 text on a black background
contrast 2.90:1
Card sample
#3f3fd7 text on a white background
contrast 7.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fd7;
Background color
Panel with #3f3fd7 background
background-color: #3f3fd7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fd7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 215, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 215, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fd7; background: linear-gradient(135deg, #3f3fd7, #A43FD7);