#183eb0
a dark, electric blue · warm · closest name: slateblue
RGB
24, 62, 176
HSL
225°, 76%, 39%
CMYK
86, 65, 0, 31
Luminance
0.0677
Every format
| HEX | #183eb0 |
| RGB | rgb(24, 62, 176) |
| HSL | hsl(225, 76%, 39%) |
| CMYK | cmyk(86%, 65%, 0%, 31%) |
| LAB | lab(31.3 31.7 -63.9) |
| LCH | lch(31.3 71.3 296.4) |
| OKLCH | oklch(0.420 0.186 264.8) |
Copy-ready code
/* CSS */
color: #183eb0;
background-color: #183eb0;
/* Tailwind (arbitrary) */
class="text-[#183eb0] bg-[#183eb0]"
/* SCSS */
$brand: #183eb0;
/* SwiftUI */
Color(red: 0.094, green: 0.243, blue: 0.690)
/* Android */
Color.parseColor("#183eb0")Accessibility — WCAG contrast
Aa
#183eb0 on white: 8.92:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#183eb0 on black: 2.35:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green24.3%
Blue69.0%
CMYK percentages
Cyan86.4%
Magenta64.8%
Yellow0.0%
Key (black)31.0%
Color previews
#183eb0 text on a black background
contrast 2.35:1
Card sample
#183eb0 text on a white background
contrast 8.92:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #183eb0;
Background color
Panel with #183eb0 background
background-color: #183eb0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #183eb0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 62, 176, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 62, 176, 0.45);
Border & gradient
Gradient panel
border: 3px solid #183eb0; background: linear-gradient(135deg, #183eb0, #5718B0);