#3347df
a balanced, vivid blue · warm · closest name: slateblue
RGB
51, 71, 223
HSL
233°, 73%, 54%
CMYK
77, 68, 0, 13
Luminance
0.1054
Every format
| HEX | #3347df |
| RGB | rgb(51, 71, 223) |
| HSL | hsl(233, 73%, 54%) |
| CMYK | cmyk(77%, 68%, 0%, 13%) |
| LAB | lab(38.8 45.2 -78.9) |
| LCH | lch(38.8 90.9 299.8) |
| OKLCH | oklch(0.491 0.229 269.4) |
Copy-ready code
/* CSS */
color: #3347df;
background-color: #3347df;
/* Tailwind (arbitrary) */
class="text-[#3347df] bg-[#3347df]"
/* SCSS */
$brand: #3347df;
/* SwiftUI */
Color(red: 0.200, green: 0.278, blue: 0.875)
/* Android */
Color.parseColor("#3347df")Accessibility — WCAG contrast
Aa
#3347df on white: 6.76:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3347df on black: 3.11:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green27.8%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta68.2%
Yellow0.0%
Key (black)12.5%
Color previews
#3347df text on a black background
contrast 3.11:1
Card sample
#3347df text on a white background
contrast 6.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3347df;
Background color
Panel with #3347df background
background-color: #3347df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3347df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 71, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 71, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3347df; background: linear-gradient(135deg, #3347df, #9233DF);