#3711cd
a dark, electric blue · warm · closest name: blue
RGB
55, 17, 205
HSL
252°, 85%, 44%
CMYK
73, 92, 0, 20
Luminance
0.0562
Every format
| HEX | #3711cd |
| RGB | rgb(55, 17, 205) |
| HSL | hsl(252, 85%, 44%) |
| CMYK | cmyk(73%, 92%, 0%, 20%) |
| LAB | lab(28.4 64.7 -85.7) |
| LCH | lch(28.4 107.4 307.1) |
| OKLCH | oklch(0.413 0.248 275.4) |
Copy-ready code
/* CSS */
color: #3711cd;
background-color: #3711cd;
/* Tailwind (arbitrary) */
class="text-[#3711cd] bg-[#3711cd]"
/* SCSS */
$brand: #3711cd;
/* SwiftUI */
Color(red: 0.216, green: 0.067, blue: 0.804)
/* Android */
Color.parseColor("#3711cd")Accessibility — WCAG contrast
Aa
#3711cd on white: 9.89:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3711cd on black: 2.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green6.7%
Blue80.4%
CMYK percentages
Cyan73.2%
Magenta91.7%
Yellow0.0%
Key (black)19.6%
Color previews
#3711cd text on a black background
contrast 2.12:1
Card sample
#3711cd text on a white background
contrast 9.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3711cd;
Background color
Panel with #3711cd background
background-color: #3711cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3711cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 17, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 17, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3711cd; background: linear-gradient(135deg, #3711cd, #B411CD);