#043ccc
a dark, electric blue · cool · closest name: slateblue
RGB
4, 60, 204
HSL
223°, 96%, 41%
CMYK
98, 71, 0, 20
Luminance
0.0762
Every format
| HEX | #043ccc |
| RGB | rgb(4, 60, 204) |
| HSL | hsl(223, 96%, 41%) |
| CMYK | cmyk(98%, 71%, 0%, 20%) |
| LAB | lab(33.2 42.8 -77.3) |
| LCH | lch(33.2 88.3 299.0) |
| OKLCH | oklch(0.441 0.226 263.5) |
Copy-ready code
/* CSS */
color: #043ccc;
background-color: #043ccc;
/* Tailwind (arbitrary) */
class="text-[#043ccc] bg-[#043ccc]"
/* SCSS */
$brand: #043ccc;
/* SwiftUI */
Color(red: 0.016, green: 0.235, blue: 0.800)
/* Android */
Color.parseColor("#043ccc")Accessibility — WCAG contrast
Aa
#043ccc on white: 8.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#043ccc on black: 2.52:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green23.5%
Blue80.0%
CMYK percentages
Cyan98.0%
Magenta70.6%
Yellow0.0%
Key (black)20.0%
Color previews
#043ccc text on a black background
contrast 2.52:1
Card sample
#043ccc text on a white background
contrast 8.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #043ccc;
Background color
Panel with #043ccc background
background-color: #043ccc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #043ccc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 60, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 60, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #043ccc; background: linear-gradient(135deg, #043ccc, #5104CC);