#042cdf
a dark, electric blue · warm · closest name: blue
RGB
4, 44, 223
HSL
229°, 97%, 45%
CMYK
98, 80, 0, 13
Luminance
0.0715
Every format
| HEX | #042cdf |
| RGB | rgb(4, 44, 223) |
| HSL | hsl(229, 97%, 45%) |
| CMYK | cmyk(98%, 80%, 0%, 13%) |
| LAB | lab(32.1 58.2 -89.9) |
| LCH | lch(32.1 107.1 302.9) |
| OKLCH | oklch(0.440 0.262 264.4) |
Copy-ready code
/* CSS */
color: #042cdf;
background-color: #042cdf;
/* Tailwind (arbitrary) */
class="text-[#042cdf] bg-[#042cdf]"
/* SCSS */
$brand: #042cdf;
/* SwiftUI */
Color(red: 0.016, green: 0.173, blue: 0.875)
/* Android */
Color.parseColor("#042cdf")Accessibility — WCAG contrast
Aa
#042cdf on white: 8.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042cdf on black: 2.43:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green17.3%
Blue87.5%
CMYK percentages
Cyan98.2%
Magenta80.3%
Yellow0.0%
Key (black)12.5%
Color previews
#042cdf text on a black background
contrast 2.43:1
Card sample
#042cdf text on a white background
contrast 8.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042cdf;
Background color
Panel with #042cdf background
background-color: #042cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 44, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 44, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042cdf; background: linear-gradient(135deg, #042cdf, #6E04DF);