#330dbb
a dark, electric blue · warm · closest name: navy
RGB
51, 13, 187
HSL
253°, 87%, 39%
CMYK
73, 93, 0, 27
Luminance
0.0458
Every format
| HEX | #330dbb |
| RGB | rgb(51, 13, 187) |
| HSL | hsl(253, 87%, 39%) |
| CMYK | cmyk(73%, 93%, 0%, 27%) |
| LAB | lab(25.5 60.9 -80.0) |
| LCH | lch(25.5 100.5 307.3) |
| OKLCH | oklch(0.386 0.232 276.0) |
Copy-ready code
/* CSS */
color: #330dbb;
background-color: #330dbb;
/* Tailwind (arbitrary) */
class="text-[#330dbb] bg-[#330dbb]"
/* SCSS */
$brand: #330dbb;
/* SwiftUI */
Color(red: 0.200, green: 0.051, blue: 0.733)
/* Android */
Color.parseColor("#330dbb")Accessibility — WCAG contrast
Aa
#330dbb on white: 10.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#330dbb on black: 1.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green5.1%
Blue73.3%
CMYK percentages
Cyan72.7%
Magenta93.0%
Yellow0.0%
Key (black)26.7%
Color previews
#330dbb text on a black background
contrast 1.92:1
Card sample
#330dbb text on a white background
contrast 10.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #330dbb;
Background color
Panel with #330dbb background
background-color: #330dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #330dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 13, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 13, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #330dbb; background: linear-gradient(135deg, #330dbb, #A70DBB);