#3931eb
a balanced, electric blue · warm · closest name: blue
RGB
57, 49, 235
HSL
243°, 82%, 56%
CMYK
76, 79, 0, 8
Luminance
0.0906
Every format
| HEX | #3931eb |
| RGB | rgb(57, 49, 235) |
| HSL | hsl(243, 82%, 56%) |
| CMYK | cmyk(76%, 79%, 0%, 8%) |
| LAB | lab(36.1 61.4 -90.2) |
| LCH | lch(36.1 109.1 304.2) |
| OKLCH | oklch(0.476 0.261 272.2) |
Copy-ready code
/* CSS */
color: #3931eb;
background-color: #3931eb;
/* Tailwind (arbitrary) */
class="text-[#3931eb] bg-[#3931eb]"
/* SCSS */
$brand: #3931eb;
/* SwiftUI */
Color(red: 0.224, green: 0.192, blue: 0.922)
/* Android */
Color.parseColor("#3931eb")Accessibility — WCAG contrast
Aa
#3931eb on white: 7.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3931eb on black: 2.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green19.2%
Blue92.2%
CMYK percentages
Cyan75.7%
Magenta79.1%
Yellow0.0%
Key (black)7.8%
Color previews
#3931eb text on a black background
contrast 2.81:1
Card sample
#3931eb text on a white background
contrast 7.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3931eb;
Background color
Panel with #3931eb background
background-color: #3931eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3931eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 49, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 49, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3931eb; background: linear-gradient(135deg, #3931eb, #B531EB);