#181bff
a balanced, electric blue · warm · closest name: blue
RGB
24, 27, 255
HSL
239°, 100%, 55%
CMYK
91, 89, 0, 0
Luminance
0.0820
Every format
| HEX | #181bff |
| RGB | rgb(24, 27, 255) |
| HSL | hsl(239, 100%, 55%) |
| CMYK | cmyk(91%, 89%, 0%, 0%) |
| LAB | lab(34.4 74.2 -104.4) |
| LCH | lch(34.4 128.1 305.4) |
| OKLCH | oklch(0.467 0.303 266.0) |
Copy-ready code
/* CSS */
color: #181bff;
background-color: #181bff;
/* Tailwind (arbitrary) */
class="text-[#181bff] bg-[#181bff]"
/* SCSS */
$brand: #181bff;
/* SwiftUI */
Color(red: 0.094, green: 0.106, blue: 1.000)
/* Android */
Color.parseColor("#181bff")Accessibility — WCAG contrast
Aa
#181bff on white: 7.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#181bff on black: 2.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green10.6%
Blue100.0%
CMYK percentages
Cyan90.6%
Magenta89.4%
Yellow0.0%
Key (black)0.0%
Color previews
#181bff text on a black background
contrast 2.64:1
Card sample
#181bff text on a white background
contrast 7.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #181bff;
Background color
Panel with #181bff background
background-color: #181bff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #181bff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 27, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 27, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #181bff; background: linear-gradient(135deg, #181bff, #AF18FF);