#3733ff
a balanced, electric blue · warm · closest name: blue
RGB
55, 51, 255
HSL
241°, 100%, 60%
CMYK
78, 80, 0, 0
Luminance
0.1040
Every format
| HEX | #3733ff |
| RGB | rgb(55, 51, 255) |
| HSL | hsl(241, 100%, 60%) |
| CMYK | cmyk(78%, 80%, 0%, 0%) |
| LAB | lab(38.5 66.2 -97.4) |
| LCH | lch(38.5 117.8 304.2) |
| OKLCH | oklch(0.499 0.282 270.7) |
Copy-ready code
/* CSS */
color: #3733ff;
background-color: #3733ff;
/* Tailwind (arbitrary) */
class="text-[#3733ff] bg-[#3733ff]"
/* SCSS */
$brand: #3733ff;
/* SwiftUI */
Color(red: 0.216, green: 0.200, blue: 1.000)
/* Android */
Color.parseColor("#3733ff")Accessibility — WCAG contrast
Aa
#3733ff on white: 6.82:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3733ff on black: 3.08:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green20.0%
Blue100.0%
CMYK percentages
Cyan78.4%
Magenta80.0%
Yellow0.0%
Key (black)0.0%
Color previews
#3733ff text on a black background
contrast 3.08:1
Card sample
#3733ff text on a white background
contrast 6.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3733ff;
Background color
Panel with #3733ff background
background-color: #3733ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3733ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 51, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 51, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3733ff; background: linear-gradient(135deg, #3733ff, #BF33FF);