#183fec
a balanced, electric blue · warm · closest name: blue
RGB
24, 63, 236
HSL
229°, 85%, 51%
CMYK
90, 73, 0, 8
Luminance
0.0981
Every format
| HEX | #183fec |
| RGB | rgb(24, 63, 236) |
| HSL | hsl(229, 85%, 51%) |
| CMYK | cmyk(90%, 73%, 0%, 8%) |
| LAB | lab(37.5 52.8 -88.5) |
| LCH | lch(37.5 103.0 300.8) |
| OKLCH | oklch(0.483 0.258 265.4) |
Copy-ready code
/* CSS */
color: #183fec;
background-color: #183fec;
/* Tailwind (arbitrary) */
class="text-[#183fec] bg-[#183fec]"
/* SCSS */
$brand: #183fec;
/* SwiftUI */
Color(red: 0.094, green: 0.247, blue: 0.925)
/* Android */
Color.parseColor("#183fec")Accessibility — WCAG contrast
Aa
#183fec on white: 7.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#183fec on black: 2.96:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green24.7%
Blue92.5%
CMYK percentages
Cyan89.8%
Magenta73.3%
Yellow0.0%
Key (black)7.5%
Color previews
#183fec text on a black background
contrast 2.96:1
Card sample
#183fec text on a white background
contrast 7.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #183fec;
Background color
Panel with #183fec background
background-color: #183fec;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #183fec;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 63, 236, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 63, 236, 0.45);
Border & gradient
Gradient panel
border: 3px solid #183fec; background: linear-gradient(135deg, #183fec, #7F18EC);