#045ddf
a dark, electric blue · cool · closest name: royalblue
RGB
4, 93, 223
HSL
216°, 97%, 45%
CMYK
98, 58, 0, 13
Luminance
0.1318
Every format
| HEX | #045ddf |
| RGB | rgb(4, 93, 223) |
| HSL | hsl(216, 97%, 45%) |
| CMYK | cmyk(98%, 58%, 0%, 13%) |
| LAB | lab(43.0 28.8 -72.0) |
| LCH | lch(43.0 77.5 291.8) |
| OKLCH | oklch(0.519 0.212 260.3) |
Copy-ready code
/* CSS */
color: #045ddf;
background-color: #045ddf;
/* Tailwind (arbitrary) */
class="text-[#045ddf] bg-[#045ddf]"
/* SCSS */
$brand: #045ddf;
/* SwiftUI */
Color(red: 0.016, green: 0.365, blue: 0.875)
/* Android */
Color.parseColor("#045ddf")Accessibility — WCAG contrast
Aa
#045ddf on white: 5.77:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#045ddf on black: 3.64:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green36.5%
Blue87.5%
CMYK percentages
Cyan98.2%
Magenta58.3%
Yellow0.0%
Key (black)12.5%
Color previews
#045ddf text on a black background
contrast 3.64:1
Card sample
#045ddf text on a white background
contrast 5.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #045ddf;
Background color
Panel with #045ddf background
background-color: #045ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #045ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 93, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 93, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #045ddf; background: linear-gradient(135deg, #045ddf, #3D04DF);