#043ddf
a dark, electric blue · cool · closest name: navy
RGB
4, 61, 223
HSL
224°, 97%, 45%
CMYK
98, 73, 0, 13
Luminance
0.0869
Every format
| HEX | #043ddf |
| RGB | rgb(4, 61, 223) |
| HSL | hsl(224, 97%, 45%) |
| CMYK | cmyk(98%, 73%, 0%, 13%) |
| LAB | lab(35.4 48.9 -84.6) |
| LCH | lch(35.4 97.7 300.1) |
| OKLCH | oklch(0.463 0.247 263.8) |
Copy-ready code
/* CSS */
color: #043ddf;
background-color: #043ddf;
/* Tailwind (arbitrary) */
class="text-[#043ddf] bg-[#043ddf]"
/* SCSS */
$brand: #043ddf;
/* SwiftUI */
Color(red: 0.016, green: 0.239, blue: 0.875)
/* Android */
Color.parseColor("#043ddf")Accessibility — WCAG contrast
Aa
#043ddf on white: 7.67:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#043ddf on black: 2.74:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green23.9%
Blue87.5%
CMYK percentages
Cyan98.2%
Magenta72.6%
Yellow0.0%
Key (black)12.5%
Color previews
#043ddf text on a black background
contrast 2.74:1
Card sample
#043ddf text on a white background
contrast 7.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #043ddf;
Background color
Panel with #043ddf background
background-color: #043ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #043ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 61, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 61, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #043ddf; background: linear-gradient(135deg, #043ddf, #5D04DF);