#045fdf
a dark, electric blue · cool · closest name: royalblue
RGB
4, 95, 223
HSL
215°, 97%, 45%
CMYK
98, 57, 0, 13
Luminance
0.1354
Every format
| HEX | #045fdf |
| RGB | rgb(4, 95, 223) |
| HSL | hsl(215, 97%, 45%) |
| CMYK | cmyk(98%, 57%, 0%, 13%) |
| LAB | lab(43.6 27.5 -71.1) |
| LCH | lch(43.6 76.3 291.1) |
| OKLCH | oklch(0.523 0.209 259.9) |
Copy-ready code
/* CSS */
color: #045fdf;
background-color: #045fdf;
/* Tailwind (arbitrary) */
class="text-[#045fdf] bg-[#045fdf]"
/* SCSS */
$brand: #045fdf;
/* SwiftUI */
Color(red: 0.016, green: 0.373, blue: 0.875)
/* Android */
Color.parseColor("#045fdf")Accessibility — WCAG contrast
Aa
#045fdf on white: 5.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#045fdf on black: 3.71:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green37.3%
Blue87.5%
CMYK percentages
Cyan98.2%
Magenta57.4%
Yellow0.0%
Key (black)12.5%
Color previews
#045fdf text on a black background
contrast 3.71:1
Card sample
#045fdf text on a white background
contrast 5.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #045fdf;
Background color
Panel with #045fdf background
background-color: #045fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #045fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 95, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 95, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #045fdf; background: linear-gradient(135deg, #045fdf, #3B04DF);