#2b00df
a dark, electric blue · warm · closest name: blue
RGB
43, 0, 223
HSL
252°, 100%, 44%
CMYK
81, 100, 0, 13
Luminance
0.0584
Every format
| HEX | #2b00df |
| RGB | rgb(43, 0, 223) |
| HSL | hsl(252, 100%, 44%) |
| CMYK | cmyk(81%, 100%, 0%, 13%) |
| LAB | lab(29.0 72.0 -95.2) |
| LCH | lch(29.0 119.3 307.1) |
| OKLCH | oklch(0.421 0.275 270.6) |
Copy-ready code
/* CSS */
color: #2b00df;
background-color: #2b00df;
/* Tailwind (arbitrary) */
class="text-[#2b00df] bg-[#2b00df]"
/* SCSS */
$brand: #2b00df;
/* SwiftUI */
Color(red: 0.169, green: 0.000, blue: 0.875)
/* Android */
Color.parseColor("#2b00df")Accessibility — WCAG contrast
Aa
#2b00df on white: 9.69:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2b00df on black: 2.17:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red16.9%
Green0.0%
Blue87.5%
CMYK percentages
Cyan80.7%
Magenta100.0%
Yellow0.0%
Key (black)12.5%
Color previews
#2b00df text on a black background
contrast 2.17:1
Card sample
#2b00df text on a white background
contrast 9.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2b00df;
Background color
Panel with #2b00df background
background-color: #2b00df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2b00df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(43, 0, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(43, 0, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2b00df; background: linear-gradient(135deg, #2b00df, #C000DF);