#3333ff
a balanced, electric blue · warm · closest name: blue
RGB
51, 51, 255
HSL
240°, 100%, 60%
CMYK
80, 80, 0, 0
Luminance
0.1029
Every format
| HEX | #3333ff |
| RGB | rgb(51, 51, 255) |
| HSL | hsl(240, 100%, 60%) |
| CMYK | cmyk(80%, 80%, 0%, 0%) |
| LAB | lab(38.4 66.0 -97.7) |
| LCH | lch(38.4 117.9 304.0) |
| OKLCH | oklch(0.497 0.283 269.8) |
Copy-ready code
/* CSS */
color: #3333ff;
background-color: #3333ff;
/* Tailwind (arbitrary) */
class="text-[#3333ff] bg-[#3333ff]"
/* SCSS */
$brand: #3333ff;
/* SwiftUI */
Color(red: 0.200, green: 0.200, blue: 1.000)
/* Android */
Color.parseColor("#3333ff")Accessibility — WCAG contrast
Aa
#3333ff on white: 6.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3333ff on black: 3.06:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green20.0%
Blue100.0%
CMYK percentages
Cyan80.0%
Magenta80.0%
Yellow0.0%
Key (black)0.0%
Color previews
#3333ff text on a black background
contrast 3.06:1
Card sample
#3333ff text on a white background
contrast 6.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3333ff;
Background color
Panel with #3333ff background
background-color: #3333ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3333ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 51, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 51, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3333ff; background: linear-gradient(135deg, #3333ff, #BB33FF);