#045cfd
a balanced, electric blue · cool · closest name: royalblue
RGB
4, 92, 253
HSL
219°, 98%, 50%
CMYK
98, 64, 0, 1
Luminance
0.1477
Every format
| HEX | #045cfd |
| RGB | rgb(4, 92, 253) |
| HSL | hsl(219, 98%, 50%) |
| CMYK | cmyk(98%, 64%, 0%, 1%) |
| LAB | lab(45.3 40.8 -85.1) |
| LCH | lch(45.3 94.4 295.6) |
| OKLCH | oklch(0.544 0.249 262.1) |
Copy-ready code
/* CSS */
color: #045cfd;
background-color: #045cfd;
/* Tailwind (arbitrary) */
class="text-[#045cfd] bg-[#045cfd]"
/* SCSS */
$brand: #045cfd;
/* SwiftUI */
Color(red: 0.016, green: 0.361, blue: 0.992)
/* Android */
Color.parseColor("#045cfd")Accessibility — WCAG contrast
Aa
#045cfd on white: 5.31:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#045cfd on black: 3.95:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green36.1%
Blue99.2%
CMYK percentages
Cyan98.4%
Magenta63.6%
Yellow0.0%
Key (black)0.8%
Color previews
#045cfd text on a black background
contrast 3.95:1
Card sample
#045cfd text on a white background
contrast 5.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #045cfd;
Background color
Panel with #045cfd background
background-color: #045cfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #045cfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 92, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 92, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #045cfd; background: linear-gradient(135deg, #045cfd, #5204FD);