#2143cf
a balanced, vivid blue · warm · closest name: slateblue
RGB
33, 67, 207
HSL
228°, 73%, 47%
CMYK
84, 68, 0, 19
Luminance
0.0884
Every format
| HEX | #2143cf |
| RGB | rgb(33, 67, 207) |
| HSL | hsl(228, 73%, 47%) |
| CMYK | cmyk(84%, 68%, 0%, 19%) |
| LAB | lab(35.7 40.6 -74.9) |
| LCH | lch(35.7 85.2 298.5) |
| OKLCH | oklch(0.462 0.217 266.3) |
Copy-ready code
/* CSS */
color: #2143cf;
background-color: #2143cf;
/* Tailwind (arbitrary) */
class="text-[#2143cf] bg-[#2143cf]"
/* SCSS */
$brand: #2143cf;
/* SwiftUI */
Color(red: 0.129, green: 0.263, blue: 0.812)
/* Android */
Color.parseColor("#2143cf")Accessibility — WCAG contrast
Aa
#2143cf on white: 7.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2143cf on black: 2.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green26.3%
Blue81.2%
CMYK percentages
Cyan84.1%
Magenta67.6%
Yellow0.0%
Key (black)18.8%
Color previews
#2143cf text on a black background
contrast 2.77:1
Card sample
#2143cf text on a white background
contrast 7.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2143cf;
Background color
Panel with #2143cf background
background-color: #2143cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2143cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 67, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 67, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2143cf; background: linear-gradient(135deg, #2143cf, #7321CF);