#003fcc
a dark, electric blue · cool · closest name: slateblue
RGB
0, 63, 204
HSL
222°, 100%, 40%
CMYK
100, 69, 0, 20
Luminance
0.0791
Every format
| HEX | #003fcc |
| RGB | rgb(0, 63, 204) |
| HSL | hsl(222, 100%, 40%) |
| CMYK | cmyk(100%, 69%, 0%, 20%) |
| LAB | lab(33.8 40.8 -76.2) |
| LCH | lch(33.8 86.5 298.1) |
| OKLCH | oklch(0.445 0.223 262.9) |
Copy-ready code
/* CSS */
color: #003fcc;
background-color: #003fcc;
/* Tailwind (arbitrary) */
class="text-[#003fcc] bg-[#003fcc]"
/* SCSS */
$brand: #003fcc;
/* SwiftUI */
Color(red: 0.000, green: 0.247, blue: 0.800)
/* Android */
Color.parseColor("#003fcc")Accessibility — WCAG contrast
Aa
#003fcc on white: 8.13:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#003fcc on black: 2.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green24.7%
Blue80.0%
CMYK percentages
Cyan100.0%
Magenta69.1%
Yellow0.0%
Key (black)20.0%
Color previews
#003fcc text on a black background
contrast 2.58:1
Card sample
#003fcc text on a white background
contrast 8.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #003fcc;
Background color
Panel with #003fcc background
background-color: #003fcc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #003fcc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 63, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 63, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003fcc; background: linear-gradient(135deg, #003fcc, #4900CC);