#3333ee
a balanced, electric blue · warm · closest name: blue
RGB
51, 51, 238
HSL
240°, 85%, 57%
CMYK
79, 79, 0, 7
Luminance
0.0924
Every format
| HEX | #3333ee |
| RGB | rgb(51, 51, 238) |
| HSL | hsl(240, 85%, 57%) |
| CMYK | cmyk(79%, 79%, 0%, 7%) |
| LAB | lab(36.5 60.9 -91.3) |
| LCH | lch(36.5 109.8 303.7) |
| OKLCH | oklch(0.478 0.264 270.5) |
Copy-ready code
/* CSS */
color: #3333ee;
background-color: #3333ee;
/* Tailwind (arbitrary) */
class="text-[#3333ee] bg-[#3333ee]"
/* SCSS */
$brand: #3333ee;
/* SwiftUI */
Color(red: 0.200, green: 0.200, blue: 0.933)
/* Android */
Color.parseColor("#3333ee")Accessibility — WCAG contrast
Aa
#3333ee on white: 7.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3333ee on black: 2.85:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green20.0%
Blue93.3%
CMYK percentages
Cyan78.6%
Magenta78.6%
Yellow0.0%
Key (black)6.7%
Color previews
#3333ee text on a black background
contrast 2.85:1
Card sample
#3333ee text on a white background
contrast 7.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3333ee;
Background color
Panel with #3333ee background
background-color: #3333ee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3333ee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 51, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 51, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3333ee; background: linear-gradient(135deg, #3333ee, #B033EE);