#0458df
a dark, electric blue · cool · closest name: royalblue
RGB
4, 88, 223
HSL
217°, 97%, 45%
CMYK
98, 61, 0, 13
Luminance
0.1233
Every format
| HEX | #0458df |
| RGB | rgb(4, 88, 223) |
| HSL | hsl(217, 97%, 45%) |
| CMYK | cmyk(98%, 61%, 0%, 13%) |
| LAB | lab(41.7 32.0 -74.1) |
| LCH | lch(41.7 80.8 293.4) |
| OKLCH | oklch(0.509 0.217 261.1) |
Copy-ready code
/* CSS */
color: #0458df;
background-color: #0458df;
/* Tailwind (arbitrary) */
class="text-[#0458df] bg-[#0458df]"
/* SCSS */
$brand: #0458df;
/* SwiftUI */
Color(red: 0.016, green: 0.345, blue: 0.875)
/* Android */
Color.parseColor("#0458df")Accessibility — WCAG contrast
Aa
#0458df on white: 6.06:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0458df on black: 3.47:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green34.5%
Blue87.5%
CMYK percentages
Cyan98.2%
Magenta60.5%
Yellow0.0%
Key (black)12.5%
Color previews
#0458df text on a black background
contrast 3.47:1
Card sample
#0458df text on a white background
contrast 6.06:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0458df;
Background color
Panel with #0458df background
background-color: #0458df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0458df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 88, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 88, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0458df; background: linear-gradient(135deg, #0458df, #4204DF);