#3311cd
a dark, electric blue · warm · closest name: blue
RGB
51, 17, 205
HSL
251°, 85%, 44%
CMYK
75, 92, 0, 20
Luminance
0.0551
Every format
| HEX | #3311cd |
| RGB | rgb(51, 17, 205) |
| HSL | hsl(251, 85%, 44%) |
| CMYK | cmyk(75%, 92%, 0%, 20%) |
| LAB | lab(28.1 64.5 -86.2) |
| LCH | lch(28.1 107.6 306.8) |
| OKLCH | oklch(0.410 0.249 274.1) |
Copy-ready code
/* CSS */
color: #3311cd;
background-color: #3311cd;
/* Tailwind (arbitrary) */
class="text-[#3311cd] bg-[#3311cd]"
/* SCSS */
$brand: #3311cd;
/* SwiftUI */
Color(red: 0.200, green: 0.067, blue: 0.804)
/* Android */
Color.parseColor("#3311cd")Accessibility — WCAG contrast
Aa
#3311cd on white: 9.99:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3311cd on black: 2.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green6.7%
Blue80.4%
CMYK percentages
Cyan75.1%
Magenta91.7%
Yellow0.0%
Key (black)19.6%
Color previews
#3311cd text on a black background
contrast 2.10:1
Card sample
#3311cd text on a white background
contrast 9.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3311cd;
Background color
Panel with #3311cd background
background-color: #3311cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3311cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 17, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 17, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3311cd; background: linear-gradient(135deg, #3311cd, #B011CD);