#18309b
a dark, vivid blue · warm · closest name: midnightblue
RGB
24, 48, 155
HSL
229°, 73%, 35%
CMYK
85, 69, 0, 39
Luminance
0.0467
Every format
| HEX | #18309b |
| RGB | rgb(24, 48, 155) |
| HSL | hsl(229, 73%, 35%) |
| CMYK | cmyk(85%, 69%, 0%, 39%) |
| LAB | lab(25.8 32.9 -60.3) |
| LCH | lch(25.8 68.7 298.6) |
| OKLCH | oklch(0.373 0.175 266.8) |
Copy-ready code
/* CSS */
color: #18309b;
background-color: #18309b;
/* Tailwind (arbitrary) */
class="text-[#18309b] bg-[#18309b]"
/* SCSS */
$brand: #18309b;
/* SwiftUI */
Color(red: 0.094, green: 0.188, blue: 0.608)
/* Android */
Color.parseColor("#18309b")Accessibility — WCAG contrast
Aa
#18309b on white: 10.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#18309b on black: 1.93:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green18.8%
Blue60.8%
CMYK percentages
Cyan84.5%
Magenta69.0%
Yellow0.0%
Key (black)39.2%
Color previews
#18309b text on a black background
contrast 1.93:1
Card sample
#18309b text on a white background
contrast 10.85:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #18309b;
Background color
Panel with #18309b background
background-color: #18309b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #18309b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 48, 155, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 48, 155, 0.45);
Border & gradient
Gradient panel
border: 3px solid #18309b; background: linear-gradient(135deg, #18309b, #57189B);