#183cf3
a balanced, electric blue · warm · closest name: blue
RGB
24, 60, 243
HSL
230°, 90%, 52%
CMYK
90, 75, 0, 5
Luminance
0.0990
Every format
| HEX | #183cf3 |
| RGB | rgb(24, 60, 243) |
| HSL | hsl(230, 90%, 52%) |
| CMYK | cmyk(90%, 75%, 0%, 5%) |
| LAB | lab(37.6 56.7 -92.2) |
| LCH | lch(37.6 108.2 301.6) |
| OKLCH | oklch(0.486 0.268 265.6) |
Copy-ready code
/* CSS */
color: #183cf3;
background-color: #183cf3;
/* Tailwind (arbitrary) */
class="text-[#183cf3] bg-[#183cf3]"
/* SCSS */
$brand: #183cf3;
/* SwiftUI */
Color(red: 0.094, green: 0.235, blue: 0.953)
/* Android */
Color.parseColor("#183cf3")Accessibility — WCAG contrast
Aa
#183cf3 on white: 7.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#183cf3 on black: 2.98:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green23.5%
Blue95.3%
CMYK percentages
Cyan90.1%
Magenta75.3%
Yellow0.0%
Key (black)4.7%
Color previews
#183cf3 text on a black background
contrast 2.98:1
Card sample
#183cf3 text on a white background
contrast 7.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #183cf3;
Background color
Panel with #183cf3 background
background-color: #183cf3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #183cf3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 60, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 60, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #183cf3; background: linear-gradient(135deg, #183cf3, #8618F3);