#3333cf
a balanced, vivid blue · warm · closest name: navy
RGB
51, 51, 207
HSL
240°, 62%, 51%
CMYK
75, 75, 0, 19
Luminance
0.0758
Every format
| HEX | #3333cf |
| RGB | rgb(51, 51, 207) |
| HSL | hsl(240, 62%, 51%) |
| CMYK | cmyk(75%, 75%, 0%, 19%) |
| LAB | lab(33.1 51.3 -79.1) |
| LCH | lch(33.1 94.3 303.0) |
| OKLCH | oklch(0.445 0.229 272.1) |
Copy-ready code
/* CSS */
color: #3333cf;
background-color: #3333cf;
/* Tailwind (arbitrary) */
class="text-[#3333cf] bg-[#3333cf]"
/* SCSS */
$brand: #3333cf;
/* SwiftUI */
Color(red: 0.200, green: 0.200, blue: 0.812)
/* Android */
Color.parseColor("#3333cf")Accessibility — WCAG contrast
Aa
#3333cf on white: 8.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3333cf on black: 2.52:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green20.0%
Blue81.2%
CMYK percentages
Cyan75.4%
Magenta75.4%
Yellow0.0%
Key (black)18.8%
Color previews
#3333cf text on a black background
contrast 2.52:1
Card sample
#3333cf text on a white background
contrast 8.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3333cf;
Background color
Panel with #3333cf background
background-color: #3333cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3333cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 51, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 51, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3333cf; background: linear-gradient(135deg, #3333cf, #9B33CF);