#3300ee
a balanced, electric blue · warm · closest name: blue
RGB
51, 0, 238
HSL
253°, 100%, 47%
CMYK
79, 100, 0, 7
Luminance
0.0688
Every format
| HEX | #3300ee |
| RGB | rgb(51, 0, 238) |
| HSL | hsl(253, 100%, 47%) |
| CMYK | cmyk(79%, 100%, 0%, 7%) |
| LAB | lab(31.5 75.7 -99.5) |
| LCH | lch(31.5 125.1 307.3) |
| OKLCH | oklch(0.445 0.287 271.7) |
Copy-ready code
/* CSS */
color: #3300ee;
background-color: #3300ee;
/* Tailwind (arbitrary) */
class="text-[#3300ee] bg-[#3300ee]"
/* SCSS */
$brand: #3300ee;
/* SwiftUI */
Color(red: 0.200, green: 0.000, blue: 0.933)
/* Android */
Color.parseColor("#3300ee")Accessibility — WCAG contrast
Aa
#3300ee on white: 8.84:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3300ee on black: 2.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green0.0%
Blue93.3%
CMYK percentages
Cyan78.6%
Magenta100.0%
Yellow0.0%
Key (black)6.7%
Color previews
#3300ee text on a black background
contrast 2.38:1
Card sample
#3300ee text on a white background
contrast 8.84:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3300ee;
Background color
Panel with #3300ee background
background-color: #3300ee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3300ee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 0, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 0, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3300ee; background: linear-gradient(135deg, #3300ee, #D200EE);