#3945cf
a balanced, vivid blue · warm · closest name: slateblue
RGB
57, 69, 207
HSL
235°, 61%, 52%
CMYK
73, 67, 0, 19
Luminance
0.0963
Every format
| HEX | #3945cf |
| RGB | rgb(57, 69, 207) |
| HSL | hsl(235, 61%, 52%) |
| CMYK | cmyk(73%, 67%, 0%, 19%) |
| LAB | lab(37.2 41.5 -72.4) |
| LCH | lch(37.2 83.4 299.8) |
| OKLCH | oklch(0.475 0.209 271.7) |
Copy-ready code
/* CSS */
color: #3945cf;
background-color: #3945cf;
/* Tailwind (arbitrary) */
class="text-[#3945cf] bg-[#3945cf]"
/* SCSS */
$brand: #3945cf;
/* SwiftUI */
Color(red: 0.224, green: 0.271, blue: 0.812)
/* Android */
Color.parseColor("#3945cf")Accessibility — WCAG contrast
Aa
#3945cf on white: 7.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3945cf on black: 2.93:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green27.1%
Blue81.2%
CMYK percentages
Cyan72.5%
Magenta66.7%
Yellow0.0%
Key (black)18.8%
Color previews
#3945cf text on a black background
contrast 2.93:1
Card sample
#3945cf text on a white background
contrast 7.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3945cf;
Background color
Panel with #3945cf background
background-color: #3945cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3945cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 69, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 69, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3945cf; background: linear-gradient(135deg, #3945cf, #9139CF);