#030366
a deep, electric blue · warm · closest name: midnightblue
RGB
3, 3, 102
HSL
240°, 94%, 21%
CMYK
97, 97, 0, 60
Luminance
0.0104
Every format
| HEX | #030366 |
| RGB | rgb(3, 3, 102) |
| HSL | hsl(240, 94%, 21%) |
| CMYK | cmyk(97%, 97%, 0%, 60%) |
| LAB | lab(9.3 38.8 -53.9) |
| LCH | lch(9.3 66.4 305.8) |
| OKLCH | oklch(0.236 0.156 265.6) |
Copy-ready code
/* CSS */
color: #030366;
background-color: #030366;
/* Tailwind (arbitrary) */
class="text-[#030366] bg-[#030366]"
/* SCSS */
$brand: #030366;
/* SwiftUI */
Color(red: 0.012, green: 0.012, blue: 0.400)
/* Android */
Color.parseColor("#030366")Accessibility — WCAG contrast
Aa
#030366 on white: 17.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#030366 on black: 1.21:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green1.2%
Blue40.0%
CMYK percentages
Cyan97.1%
Magenta97.1%
Yellow0.0%
Key (black)60.0%
Color previews
#030366 text on a black background
contrast 1.21:1
Card sample
#030366 text on a white background
contrast 17.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #030366;
Background color
Panel with #030366 background
background-color: #030366;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #030366;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 3, 102, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 3, 102, 0.45);
Border & gradient
Gradient panel
border: 3px solid #030366; background: linear-gradient(135deg, #030366, #450366);