#045dfd
a balanced, electric blue · cool · closest name: royalblue
RGB
4, 93, 253
HSL
219°, 98%, 50%
CMYK
98, 63, 0, 1
Luminance
0.1495
Every format
| HEX | #045dfd |
| RGB | rgb(4, 93, 253) |
| HSL | hsl(219, 98%, 50%) |
| CMYK | cmyk(98%, 63%, 0%, 1%) |
| LAB | lab(45.6 40.2 -84.7) |
| LCH | lch(45.6 93.8 295.4) |
| OKLCH | oklch(0.545 0.248 262.0) |
Copy-ready code
/* CSS */
color: #045dfd;
background-color: #045dfd;
/* Tailwind (arbitrary) */
class="text-[#045dfd] bg-[#045dfd]"
/* SCSS */
$brand: #045dfd;
/* SwiftUI */
Color(red: 0.016, green: 0.365, blue: 0.992)
/* Android */
Color.parseColor("#045dfd")Accessibility — WCAG contrast
Aa
#045dfd on white: 5.26:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#045dfd on black: 3.99:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green36.5%
Blue99.2%
CMYK percentages
Cyan98.4%
Magenta63.2%
Yellow0.0%
Key (black)0.8%
Color previews
#045dfd text on a black background
contrast 3.99:1
Card sample
#045dfd text on a white background
contrast 5.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #045dfd;
Background color
Panel with #045dfd background
background-color: #045dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #045dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 93, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 93, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #045dfd; background: linear-gradient(135deg, #045dfd, #5104FD);