#2b37df
a balanced, vivid blue · warm · closest name: navy
RGB
43, 55, 223
HSL
236°, 74%, 52%
CMYK
81, 75, 0, 13
Luminance
0.0857
Every format
| HEX | #2b37df |
| RGB | rgb(43, 55, 223) |
| HSL | hsl(236, 74%, 52%) |
| CMYK | cmyk(81%, 75%, 0%, 13%) |
| LAB | lab(35.1 53.8 -84.9) |
| LCH | lch(35.1 100.5 302.3) |
| OKLCH | oklch(0.464 0.246 269.1) |
Copy-ready code
/* CSS */
color: #2b37df;
background-color: #2b37df;
/* Tailwind (arbitrary) */
class="text-[#2b37df] bg-[#2b37df]"
/* SCSS */
$brand: #2b37df;
/* SwiftUI */
Color(red: 0.169, green: 0.216, blue: 0.875)
/* Android */
Color.parseColor("#2b37df")Accessibility — WCAG contrast
Aa
#2b37df on white: 7.74:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2b37df on black: 2.71:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red16.9%
Green21.6%
Blue87.5%
CMYK percentages
Cyan80.7%
Magenta75.3%
Yellow0.0%
Key (black)12.5%
Color previews
#2b37df text on a black background
contrast 2.71:1
Card sample
#2b37df text on a white background
contrast 7.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2b37df;
Background color
Panel with #2b37df background
background-color: #2b37df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2b37df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(43, 55, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(43, 55, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2b37df; background: linear-gradient(135deg, #2b37df, #972BDF);