#4100dd
a dark, electric violet · warm · closest name: blue
RGB
65, 0, 221
HSL
258°, 100%, 43%
CMYK
71, 100, 0, 13
Luminance
0.0634
Every format
| HEX | #4100dd |
| RGB | rgb(65, 0, 221) |
| HSL | hsl(258, 100%, 43%) |
| CMYK | cmyk(71%, 100%, 0%, 13%) |
| LAB | lab(30.3 72.2 -91.9) |
| LCH | lch(30.3 116.8 308.1) |
| OKLCH | oklch(0.433 0.267 277.3) |
Copy-ready code
/* CSS */
color: #4100dd;
background-color: #4100dd;
/* Tailwind (arbitrary) */
class="text-[#4100dd] bg-[#4100dd]"
/* SCSS */
$brand: #4100dd;
/* SwiftUI */
Color(red: 0.255, green: 0.000, blue: 0.867)
/* Android */
Color.parseColor("#4100dd")Accessibility — WCAG contrast
Aa
#4100dd on white: 9.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4100dd on black: 2.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.5%
Green0.0%
Blue86.7%
CMYK percentages
Cyan70.6%
Magenta100.0%
Yellow0.0%
Key (black)13.3%
Color previews
#4100dd text on a black background
contrast 2.27:1
Card sample
#4100dd text on a white background
contrast 9.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4100dd;
Background color
Panel with #4100dd background
background-color: #4100dd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4100dd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(65, 0, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(65, 0, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4100dd; background: linear-gradient(135deg, #4100dd, #D400DD);