#4073df
a balanced, vivid blue · cool · closest name: royalblue
RGB
64, 115, 223
HSL
221°, 71%, 56%
CMYK
71, 48, 0, 13
Luminance
0.1868
Every format
| HEX | #4073df |
| RGB | rgb(64, 115, 223) |
| HSL | hsl(221, 71%, 56%) |
| CMYK | cmyk(71%, 48%, 0%, 13%) |
| LAB | lab(50.3 19.1 -60.1) |
| LCH | lch(50.3 63.1 287.6) |
| OKLCH | oklch(0.578 0.174 263.1) |
Copy-ready code
/* CSS */
color: #4073df;
background-color: #4073df;
/* Tailwind (arbitrary) */
class="text-[#4073df] bg-[#4073df]"
/* SCSS */
$brand: #4073df;
/* SwiftUI */
Color(red: 0.251, green: 0.451, blue: 0.875)
/* Android */
Color.parseColor("#4073df")Accessibility — WCAG contrast
Aa
#4073df on white: 4.43:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#4073df on black: 4.74:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green45.1%
Blue87.5%
CMYK percentages
Cyan71.3%
Magenta48.4%
Yellow0.0%
Key (black)12.5%
Color previews
#4073df text on a black background
contrast 4.74:1
Card sample
#4073df text on a white background
contrast 4.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4073df;
Background color
Panel with #4073df background
background-color: #4073df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4073df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 115, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 115, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4073df; background: linear-gradient(135deg, #4073df, #7740DF);