#3333dd
a balanced, vivid blue · warm · closest name: navy
RGB
51, 51, 221
HSL
240°, 71%, 53%
CMYK
77, 77, 0, 13
Luminance
0.0829
Every format
| HEX | #3333dd |
| RGB | rgb(51, 51, 221) |
| HSL | hsl(240, 71%, 53%) |
| CMYK | cmyk(77%, 77%, 0%, 13%) |
| LAB | lab(34.6 55.7 -84.7) |
| LCH | lch(34.6 101.4 303.3) |
| OKLCH | oklch(0.460 0.245 271.4) |
Copy-ready code
/* CSS */
color: #3333dd;
background-color: #3333dd;
/* Tailwind (arbitrary) */
class="text-[#3333dd] bg-[#3333dd]"
/* SCSS */
$brand: #3333dd;
/* SwiftUI */
Color(red: 0.200, green: 0.200, blue: 0.867)
/* Android */
Color.parseColor("#3333dd")Accessibility — WCAG contrast
Aa
#3333dd on white: 7.90:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3333dd on black: 2.66:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green20.0%
Blue86.7%
CMYK percentages
Cyan76.9%
Magenta76.9%
Yellow0.0%
Key (black)13.3%
Color previews
#3333dd text on a black background
contrast 2.66:1
Card sample
#3333dd text on a white background
contrast 7.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3333dd;
Background color
Panel with #3333dd background
background-color: #3333dd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3333dd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 51, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 51, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3333dd; background: linear-gradient(135deg, #3333dd, #A433DD);