#183fdf
a balanced, electric blue · warm · closest name: navy
RGB
24, 63, 223
HSL
228°, 81%, 48%
CMYK
89, 72, 0, 13
Luminance
0.0908
Every format
| HEX | #183fdf |
| RGB | rgb(24, 63, 223) |
| HSL | hsl(228, 81%, 48%) |
| CMYK | cmyk(89%, 72%, 0%, 13%) |
| LAB | lab(36.1 48.3 -83.3) |
| LCH | lch(36.1 96.3 300.1) |
| OKLCH | oklch(0.469 0.242 265.4) |
Copy-ready code
/* CSS */
color: #183fdf;
background-color: #183fdf;
/* Tailwind (arbitrary) */
class="text-[#183fdf] bg-[#183fdf]"
/* SCSS */
$brand: #183fdf;
/* SwiftUI */
Color(red: 0.094, green: 0.247, blue: 0.875)
/* Android */
Color.parseColor("#183fdf")Accessibility — WCAG contrast
Aa
#183fdf on white: 7.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#183fdf on black: 2.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green24.7%
Blue87.5%
CMYK percentages
Cyan89.2%
Magenta71.7%
Yellow0.0%
Key (black)12.5%
Color previews
#183fdf text on a black background
contrast 2.82:1
Card sample
#183fdf text on a white background
contrast 7.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #183fdf;
Background color
Panel with #183fdf background
background-color: #183fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #183fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 63, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 63, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #183fdf; background: linear-gradient(135deg, #183fdf, #7518DF);