#003acc
a dark, electric blue · cool · closest name: navy
RGB
0, 58, 204
HSL
223°, 100%, 40%
CMYK
100, 72, 0, 20
Luminance
0.0739
Every format
| HEX | #003acc |
| RGB | rgb(0, 58, 204) |
| HSL | hsl(223, 100%, 40%) |
| CMYK | cmyk(100%, 72%, 0%, 20%) |
| LAB | lab(32.7 43.9 -78.1) |
| LCH | lch(32.7 89.6 299.3) |
| OKLCH | oklch(0.437 0.228 263.3) |
Copy-ready code
/* CSS */
color: #003acc;
background-color: #003acc;
/* Tailwind (arbitrary) */
class="text-[#003acc] bg-[#003acc]"
/* SCSS */
$brand: #003acc;
/* SwiftUI */
Color(red: 0.000, green: 0.227, blue: 0.800)
/* Android */
Color.parseColor("#003acc")Accessibility — WCAG contrast
Aa
#003acc on white: 8.48:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#003acc on black: 2.48:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green22.7%
Blue80.0%
CMYK percentages
Cyan100.0%
Magenta71.6%
Yellow0.0%
Key (black)20.0%
Color previews
#003acc text on a black background
contrast 2.48:1
Card sample
#003acc text on a white background
contrast 8.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #003acc;
Background color
Panel with #003acc background
background-color: #003acc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #003acc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 58, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 58, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003acc; background: linear-gradient(135deg, #003acc, #4E00CC);