#042cfd
a balanced, electric blue · warm · closest name: blue
RGB
4, 44, 253
HSL
230°, 98%, 50%
CMYK
98, 83, 0, 1
Luminance
0.0892
Every format
| HEX | #042cfd |
| RGB | rgb(4, 44, 253) |
| HSL | hsl(230, 98%, 50%) |
| CMYK | cmyk(98%, 83%, 0%, 1%) |
| LAB | lab(35.8 67.3 -100.8) |
| LCH | lch(35.8 121.2 303.7) |
| OKLCH | oklch(0.475 0.294 264.4) |
Copy-ready code
/* CSS */
color: #042cfd;
background-color: #042cfd;
/* Tailwind (arbitrary) */
class="text-[#042cfd] bg-[#042cfd]"
/* SCSS */
$brand: #042cfd;
/* SwiftUI */
Color(red: 0.016, green: 0.173, blue: 0.992)
/* Android */
Color.parseColor("#042cfd")Accessibility — WCAG contrast
Aa
#042cfd on white: 7.54:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042cfd on black: 2.78:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green17.3%
Blue99.2%
CMYK percentages
Cyan98.4%
Magenta82.6%
Yellow0.0%
Key (black)0.8%
Color previews
#042cfd text on a black background
contrast 2.78:1
Card sample
#042cfd text on a white background
contrast 7.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042cfd;
Background color
Panel with #042cfd background
background-color: #042cfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042cfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 44, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 44, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042cfd; background: linear-gradient(135deg, #042cfd, #8204FD);