#183ddf
a balanced, electric blue · warm · closest name: navy
RGB
24, 61, 223
HSL
229°, 81%, 48%
CMYK
89, 73, 0, 13
Luminance
0.0886
Every format
| HEX | #183ddf |
| RGB | rgb(24, 61, 223) |
| HSL | hsl(229, 81%, 48%) |
| CMYK | cmyk(89%, 73%, 0%, 13%) |
| LAB | lab(35.7 49.5 -84.0) |
| LCH | lch(35.7 97.5 300.5) |
| OKLCH | oklch(0.466 0.244 265.5) |
Copy-ready code
/* CSS */
color: #183ddf;
background-color: #183ddf;
/* Tailwind (arbitrary) */
class="text-[#183ddf] bg-[#183ddf]"
/* SCSS */
$brand: #183ddf;
/* SwiftUI */
Color(red: 0.094, green: 0.239, blue: 0.875)
/* Android */
Color.parseColor("#183ddf")Accessibility — WCAG contrast
Aa
#183ddf on white: 7.58:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#183ddf on black: 2.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green23.9%
Blue87.5%
CMYK percentages
Cyan89.2%
Magenta72.6%
Yellow0.0%
Key (black)12.5%
Color previews
#183ddf text on a black background
contrast 2.77:1
Card sample
#183ddf text on a white background
contrast 7.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #183ddf;
Background color
Panel with #183ddf background
background-color: #183ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #183ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 61, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 61, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #183ddf; background: linear-gradient(135deg, #183ddf, #7718DF);