#3548df
a balanced, vivid blue · warm · closest name: slateblue
RGB
53, 72, 223
HSL
233°, 73%, 54%
CMYK
76, 68, 0, 13
Luminance
0.1072
Every format
| HEX | #3548df |
| RGB | rgb(53, 72, 223) |
| HSL | hsl(233, 73%, 54%) |
| CMYK | cmyk(76%, 68%, 0%, 13%) |
| LAB | lab(39.1 44.8 -78.4) |
| LCH | lch(39.1 90.3 299.7) |
| OKLCH | oklch(0.493 0.227 269.7) |
Copy-ready code
/* CSS */
color: #3548df;
background-color: #3548df;
/* Tailwind (arbitrary) */
class="text-[#3548df] bg-[#3548df]"
/* SCSS */
$brand: #3548df;
/* SwiftUI */
Color(red: 0.208, green: 0.282, blue: 0.875)
/* Android */
Color.parseColor("#3548df")Accessibility — WCAG contrast
Aa
#3548df on white: 6.68:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3548df on black: 3.14:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green28.2%
Blue87.5%
CMYK percentages
Cyan76.2%
Magenta67.7%
Yellow0.0%
Key (black)12.5%
Color previews
#3548df text on a black background
contrast 3.14:1
Card sample
#3548df text on a white background
contrast 6.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3548df;
Background color
Panel with #3548df background
background-color: #3548df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3548df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 72, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 72, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3548df; background: linear-gradient(135deg, #3548df, #9335DF);