#4100cf
a dark, electric violet · warm · closest name: blue
RGB
65, 0, 207
HSL
259°, 100%, 41%
CMYK
69, 100, 0, 19
Luminance
0.0563
Every format
| HEX | #4100cf |
| RGB | rgb(65, 0, 207) |
| HSL | hsl(259, 100%, 41%) |
| CMYK | cmyk(69%, 100%, 0%, 19%) |
| LAB | lab(28.4 68.9 -86.8) |
| LCH | lch(28.4 110.8 308.4) |
| OKLCH | oklch(0.416 0.253 279.1) |
Copy-ready code
/* CSS */
color: #4100cf;
background-color: #4100cf;
/* Tailwind (arbitrary) */
class="text-[#4100cf] bg-[#4100cf]"
/* SCSS */
$brand: #4100cf;
/* SwiftUI */
Color(red: 0.255, green: 0.000, blue: 0.812)
/* Android */
Color.parseColor("#4100cf")Accessibility — WCAG contrast
Aa
#4100cf on white: 9.88:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4100cf on black: 2.13:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.5%
Green0.0%
Blue81.2%
CMYK percentages
Cyan68.6%
Magenta100.0%
Yellow0.0%
Key (black)18.8%
Color previews
#4100cf text on a black background
contrast 2.13:1
Card sample
#4100cf text on a white background
contrast 9.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4100cf;
Background color
Panel with #4100cf background
background-color: #4100cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4100cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(65, 0, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(65, 0, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4100cf; background: linear-gradient(135deg, #4100cf, #CB00CF);