#3755eb
a balanced, electric blue · warm · closest name: royalblue
RGB
55, 85, 235
HSL
230°, 82%, 57%
CMYK
77, 64, 0, 8
Luminance
0.1331
Every format
| HEX | #3755eb |
| RGB | rgb(55, 85, 235) |
| HSL | hsl(230, 82%, 57%) |
| CMYK | cmyk(77%, 64%, 0%, 8%) |
| LAB | lab(43.2 41.2 -78.5) |
| LCH | lch(43.2 88.6 297.7) |
| OKLCH | oklch(0.527 0.227 268.3) |
Copy-ready code
/* CSS */
color: #3755eb;
background-color: #3755eb;
/* Tailwind (arbitrary) */
class="text-[#3755eb] bg-[#3755eb]"
/* SCSS */
$brand: #3755eb;
/* SwiftUI */
Color(red: 0.216, green: 0.333, blue: 0.922)
/* Android */
Color.parseColor("#3755eb")Accessibility — WCAG contrast
Aa
#3755eb on white: 5.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3755eb on black: 3.66:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green33.3%
Blue92.2%
CMYK percentages
Cyan76.6%
Magenta63.8%
Yellow0.0%
Key (black)7.8%
Color previews
#3755eb text on a black background
contrast 3.66:1
Card sample
#3755eb text on a white background
contrast 5.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3755eb;
Background color
Panel with #3755eb background
background-color: #3755eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3755eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 85, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 85, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3755eb; background: linear-gradient(135deg, #3755eb, #9137EB);