#4255cf
a balanced, vivid blue · warm · closest name: royalblue
RGB
66, 85, 207
HSL
232°, 60%, 54%
CMYK
68, 59, 0, 19
Luminance
0.1216
Every format
| HEX | #4255cf |
| RGB | rgb(66, 85, 207) |
| HSL | hsl(232, 60%, 54%) |
| CMYK | cmyk(68%, 59%, 0%, 19%) |
| LAB | lab(41.5 32.6 -65.3) |
| LCH | lch(41.5 73.0 296.5) |
| OKLCH | oklch(0.508 0.188 271.3) |
Copy-ready code
/* CSS */
color: #4255cf;
background-color: #4255cf;
/* Tailwind (arbitrary) */
class="text-[#4255cf] bg-[#4255cf]"
/* SCSS */
$brand: #4255cf;
/* SwiftUI */
Color(red: 0.259, green: 0.333, blue: 0.812)
/* Android */
Color.parseColor("#4255cf")Accessibility — WCAG contrast
Aa
#4255cf on white: 6.12:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4255cf on black: 3.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green33.3%
Blue81.2%
CMYK percentages
Cyan68.1%
Magenta58.9%
Yellow0.0%
Key (black)18.8%
Color previews
#4255cf text on a black background
contrast 3.43:1
Card sample
#4255cf text on a white background
contrast 6.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4255cf;
Background color
Panel with #4255cf background
background-color: #4255cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4255cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 85, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 85, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4255cf; background: linear-gradient(135deg, #4255cf, #8D42CF);