#4255eb
a balanced, electric blue · warm · closest name: royalblue
RGB
66, 85, 235
HSL
233°, 81%, 59%
CMYK
72, 64, 0, 8
Luminance
0.1365
Every format
| HEX | #4255eb |
| RGB | rgb(66, 85, 235) |
| HSL | hsl(233, 81%, 59%) |
| CMYK | cmyk(72%, 64%, 0%, 8%) |
| LAB | lab(43.7 42.3 -77.6) |
| LCH | lch(43.7 88.4 298.6) |
| OKLCH | oklch(0.532 0.224 270.9) |
Copy-ready code
/* CSS */
color: #4255eb;
background-color: #4255eb;
/* Tailwind (arbitrary) */
class="text-[#4255eb] bg-[#4255eb]"
/* SCSS */
$brand: #4255eb;
/* SwiftUI */
Color(red: 0.259, green: 0.333, blue: 0.922)
/* Android */
Color.parseColor("#4255eb")Accessibility — WCAG contrast
Aa
#4255eb on white: 5.63:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4255eb on black: 3.73:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green33.3%
Blue92.2%
CMYK percentages
Cyan71.9%
Magenta63.8%
Yellow0.0%
Key (black)7.8%
Color previews
#4255eb text on a black background
contrast 3.73:1
Card sample
#4255eb text on a white background
contrast 5.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4255eb;
Background color
Panel with #4255eb background
background-color: #4255eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4255eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 85, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 85, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4255eb; background: linear-gradient(135deg, #4255eb, #A042EB);