#183bbc
a dark, electric blue · warm · closest name: slateblue
RGB
24, 59, 188
HSL
227°, 77%, 42%
CMYK
87, 69, 0, 26
Luminance
0.0695
Every format
| HEX | #183bbc |
| RGB | rgb(24, 59, 188) |
| HSL | hsl(227, 77%, 42%) |
| CMYK | cmyk(87%, 69%, 0%, 26%) |
| LAB | lab(31.7 38.2 -70.3) |
| LCH | lch(31.7 80.0 298.5) |
| OKLCH | oklch(0.426 0.205 265.5) |
Copy-ready code
/* CSS */
color: #183bbc;
background-color: #183bbc;
/* Tailwind (arbitrary) */
class="text-[#183bbc] bg-[#183bbc]"
/* SCSS */
$brand: #183bbc;
/* SwiftUI */
Color(red: 0.094, green: 0.231, blue: 0.737)
/* Android */
Color.parseColor("#183bbc")Accessibility — WCAG contrast
Aa
#183bbc on white: 8.78:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#183bbc on black: 2.39:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green23.1%
Blue73.7%
CMYK percentages
Cyan87.2%
Magenta68.6%
Yellow0.0%
Key (black)26.3%
Color previews
#183bbc text on a black background
contrast 2.39:1
Card sample
#183bbc text on a white background
contrast 8.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #183bbc;
Background color
Panel with #183bbc background
background-color: #183bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #183bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 59, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 59, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #183bbc; background: linear-gradient(135deg, #183bbc, #6218BC);