#391fdf
a balanced, electric blue · warm · closest name: blue
RGB
57, 31, 223
HSL
248°, 76%, 50%
CMYK
74, 86, 0, 13
Luminance
0.0718
Every format
| HEX | #391fdf |
| RGB | rgb(57, 31, 223) |
| HSL | hsl(248, 76%, 50%) |
| CMYK | cmyk(74%, 86%, 0%, 13%) |
| LAB | lab(32.2 65.3 -89.8) |
| LCH | lch(32.2 111.1 306.0) |
| OKLCH | oklch(0.445 0.260 273.9) |
Copy-ready code
/* CSS */
color: #391fdf;
background-color: #391fdf;
/* Tailwind (arbitrary) */
class="text-[#391fdf] bg-[#391fdf]"
/* SCSS */
$brand: #391fdf;
/* SwiftUI */
Color(red: 0.224, green: 0.122, blue: 0.875)
/* Android */
Color.parseColor("#391fdf")Accessibility — WCAG contrast
Aa
#391fdf on white: 8.62:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#391fdf on black: 2.44:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green12.2%
Blue87.5%
CMYK percentages
Cyan74.4%
Magenta86.1%
Yellow0.0%
Key (black)12.5%
Color previews
#391fdf text on a black background
contrast 2.44:1
Card sample
#391fdf text on a white background
contrast 8.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #391fdf;
Background color
Panel with #391fdf background
background-color: #391fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #391fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 31, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 31, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #391fdf; background: linear-gradient(135deg, #391fdf, #B91FDF);