#3b00cc
a dark, electric violet · warm · closest name: blue
RGB
59, 0, 204
HSL
257°, 100%, 40%
CMYK
71, 100, 0, 20
Luminance
0.0529
Every format
| HEX | #3b00cc |
| RGB | rgb(59, 0, 204) |
| HSL | hsl(257, 100%, 40%) |
| CMYK | cmyk(71%, 100%, 0%, 20%) |
| LAB | lab(27.5 67.9 -86.6) |
| LCH | lch(27.5 110.0 308.1) |
| OKLCH | oklch(0.407 0.252 277.2) |
Copy-ready code
/* CSS */
color: #3b00cc;
background-color: #3b00cc;
/* Tailwind (arbitrary) */
class="text-[#3b00cc] bg-[#3b00cc]"
/* SCSS */
$brand: #3b00cc;
/* SwiftUI */
Color(red: 0.231, green: 0.000, blue: 0.800)
/* Android */
Color.parseColor("#3b00cc")Accessibility — WCAG contrast
Aa
#3b00cc on white: 10.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3b00cc on black: 2.06:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green0.0%
Blue80.0%
CMYK percentages
Cyan71.1%
Magenta100.0%
Yellow0.0%
Key (black)20.0%
Color previews
#3b00cc text on a black background
contrast 2.06:1
Card sample
#3b00cc text on a white background
contrast 10.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b00cc;
Background color
Panel with #3b00cc background
background-color: #3b00cc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b00cc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 0, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 0, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b00cc; background: linear-gradient(135deg, #3b00cc, #C300CC);