#4b63df
a balanced, vivid blue · warm · closest name: royalblue
RGB
75, 99, 223
HSL
230°, 70%, 58%
CMYK
66, 56, 0, 13
Luminance
0.1575
Every format
| HEX | #4b63df |
| RGB | rgb(75, 99, 223) |
| HSL | hsl(230, 70%, 58%) |
| CMYK | cmyk(66%, 56%, 0%, 13%) |
| LAB | lab(46.6 30.7 -66.0) |
| LCH | lch(46.6 72.8 295.0) |
| OKLCH | oklch(0.552 0.190 270.6) |
Copy-ready code
/* CSS */
color: #4b63df;
background-color: #4b63df;
/* Tailwind (arbitrary) */
class="text-[#4b63df] bg-[#4b63df]"
/* SCSS */
$brand: #4b63df;
/* SwiftUI */
Color(red: 0.294, green: 0.388, blue: 0.875)
/* Android */
Color.parseColor("#4b63df")Accessibility — WCAG contrast
Aa
#4b63df on white: 5.06:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#4b63df on black: 4.15:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red29.4%
Green38.8%
Blue87.5%
CMYK percentages
Cyan66.4%
Magenta55.6%
Yellow0.0%
Key (black)12.5%
Color previews
#4b63df text on a black background
contrast 4.15:1
Card sample
#4b63df text on a white background
contrast 5.06:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4b63df;
Background color
Panel with #4b63df background
background-color: #4b63df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4b63df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(75, 99, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(75, 99, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4b63df; background: linear-gradient(135deg, #4b63df, #964BDF);