#243c83
a dark, vivid blue · cool · closest name: midnightblue
RGB
36, 60, 131
HSL
225°, 57%, 33%
CMYK
73, 54, 0, 49
Luminance
0.0525
Every format
| HEX | #243c83 |
| RGB | rgb(36, 60, 131) |
| HSL | hsl(225, 57%, 33%) |
| CMYK | cmyk(73%, 54%, 0%, 49%) |
| LAB | lab(27.4 16.7 -42.8) |
| LCH | lch(27.4 45.9 291.3) |
| OKLCH | oklch(0.380 0.123 266.5) |
Copy-ready code
/* CSS */
color: #243c83;
background-color: #243c83;
/* Tailwind (arbitrary) */
class="text-[#243c83] bg-[#243c83]"
/* SCSS */
$brand: #243c83;
/* SwiftUI */
Color(red: 0.141, green: 0.235, blue: 0.514)
/* Android */
Color.parseColor("#243c83")Accessibility — WCAG contrast
Aa
#243c83 on white: 10.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#243c83 on black: 2.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red14.1%
Green23.5%
Blue51.4%
CMYK percentages
Cyan72.5%
Magenta54.2%
Yellow0.0%
Key (black)48.6%
Color previews
#243c83 text on a black background
contrast 2.05:1
Card sample
#243c83 text on a white background
contrast 10.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #243c83;
Background color
Panel with #243c83 background
background-color: #243c83;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #243c83;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(36, 60, 131, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(36, 60, 131, 0.45);
Border & gradient
Gradient panel
border: 3px solid #243c83; background: linear-gradient(135deg, #243c83, #4B2483);