#3300bb
a dark, electric violet · warm · closest name: navy
RGB
51, 0, 187
HSL
256°, 100%, 37%
CMYK
73, 100, 0, 27
Luminance
0.0429
Every format
| HEX | #3300bb |
| RGB | rgb(51, 0, 187) |
| HSL | hsl(256, 100%, 37%) |
| CMYK | cmyk(73%, 100%, 0%, 27%) |
| LAB | lab(24.6 63.6 -81.4) |
| LCH | lch(24.6 103.3 308.0) |
| OKLCH | oklch(0.380 0.236 276.3) |
Copy-ready code
/* CSS */
color: #3300bb;
background-color: #3300bb;
/* Tailwind (arbitrary) */
class="text-[#3300bb] bg-[#3300bb]"
/* SCSS */
$brand: #3300bb;
/* SwiftUI */
Color(red: 0.200, green: 0.000, blue: 0.733)
/* Android */
Color.parseColor("#3300bb")Accessibility — WCAG contrast
Aa
#3300bb on white: 11.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3300bb on black: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green0.0%
Blue73.3%
CMYK percentages
Cyan72.7%
Magenta100.0%
Yellow0.0%
Key (black)26.7%
Color previews
#3300bb text on a black background
contrast 1.86:1
Card sample
#3300bb text on a white background
contrast 11.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3300bb;
Background color
Panel with #3300bb background
background-color: #3300bb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3300bb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 0, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 0, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3300bb; background: linear-gradient(135deg, #3300bb, #B000BB);