#4100ce
a dark, electric violet · warm · closest name: blue
RGB
65, 0, 206
HSL
259°, 100%, 40%
CMYK
68, 100, 0, 19
Luminance
0.0558
Every format
| HEX | #4100ce |
| RGB | rgb(65, 0, 206) |
| HSL | hsl(259, 100%, 40%) |
| CMYK | cmyk(68%, 100%, 0%, 19%) |
| LAB | lab(28.3 68.6 -86.4) |
| LCH | lch(28.3 110.3 308.5) |
| OKLCH | oklch(0.415 0.252 279.2) |
Copy-ready code
/* CSS */
color: #4100ce;
background-color: #4100ce;
/* Tailwind (arbitrary) */
class="text-[#4100ce] bg-[#4100ce]"
/* SCSS */
$brand: #4100ce;
/* SwiftUI */
Color(red: 0.255, green: 0.000, blue: 0.808)
/* Android */
Color.parseColor("#4100ce")Accessibility — WCAG contrast
Aa
#4100ce on white: 9.92:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4100ce on black: 2.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.5%
Green0.0%
Blue80.8%
CMYK percentages
Cyan68.4%
Magenta100.0%
Yellow0.0%
Key (black)19.2%
Color previews
#4100ce text on a black background
contrast 2.12:1
Card sample
#4100ce text on a white background
contrast 9.92:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4100ce;
Background color
Panel with #4100ce background
background-color: #4100ce;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4100ce;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(65, 0, 206, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(65, 0, 206, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4100ce; background: linear-gradient(135deg, #4100ce, #CA00CE);