#4b00df
a dark, electric violet · warm · closest name: blue
RGB
75, 0, 223
HSL
260°, 100%, 44%
CMYK
66, 100, 0, 13
Luminance
0.0682
Every format
| HEX | #4b00df |
| RGB | rgb(75, 0, 223) |
| HSL | hsl(260, 100%, 44%) |
| CMYK | cmyk(66%, 100%, 0%, 13%) |
| LAB | lab(31.4 73.0 -91.1) |
| LCH | lch(31.4 116.8 308.7) |
| OKLCH | oklch(0.443 0.267 280.6) |
Copy-ready code
/* CSS */
color: #4b00df;
background-color: #4b00df;
/* Tailwind (arbitrary) */
class="text-[#4b00df] bg-[#4b00df]"
/* SCSS */
$brand: #4b00df;
/* SwiftUI */
Color(red: 0.294, green: 0.000, blue: 0.875)
/* Android */
Color.parseColor("#4b00df")Accessibility — WCAG contrast
Aa
#4b00df on white: 8.88:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#4b00df on black: 2.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red29.4%
Green0.0%
Blue87.5%
CMYK percentages
Cyan66.4%
Magenta100.0%
Yellow0.0%
Key (black)12.5%
Color previews
#4b00df text on a black background
contrast 2.36:1
Card sample
#4b00df text on a white background
contrast 8.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4b00df;
Background color
Panel with #4b00df background
background-color: #4b00df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4b00df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(75, 0, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(75, 0, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4b00df; background: linear-gradient(135deg, #4b00df, #DF00DE);