#040648
a deep, electric blue · warm · closest name: midnightblue
RGB
4, 6, 72
HSL
238°, 90%, 15%
CMYK
94, 92, 0, 72
Luminance
0.0062
Every format
| HEX | #040648 |
| RGB | rgb(4, 6, 72) |
| HSL | hsl(238, 90%, 15%) |
| CMYK | cmyk(94%, 92%, 0%, 72%) |
| LAB | lab(5.6 25.8 -39.6) |
| LCH | lch(5.6 47.3 303.1) |
| OKLCH | oklch(0.196 0.116 267.6) |
Copy-ready code
/* CSS */
color: #040648;
background-color: #040648;
/* Tailwind (arbitrary) */
class="text-[#040648] bg-[#040648]"
/* SCSS */
$brand: #040648;
/* SwiftUI */
Color(red: 0.016, green: 0.024, blue: 0.282)
/* Android */
Color.parseColor("#040648")Accessibility — WCAG contrast
Aa
#040648 on white: 18.67:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040648 on black: 1.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green2.4%
Blue28.2%
CMYK percentages
Cyan94.4%
Magenta91.7%
Yellow0.0%
Key (black)71.8%
Color previews
#040648 text on a black background
contrast 1.12:1
Card sample
#040648 text on a white background
contrast 18.67:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040648;
Background color
Panel with #040648 background
background-color: #040648;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040648;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 6, 72, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 6, 72, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040648; background: linear-gradient(135deg, #040648, #2F0448);