#040447
a deep, electric blue · warm · closest name: midnightblue
RGB
4, 4, 71
HSL
240°, 89%, 15%
CMYK
94, 94, 0, 72
Luminance
0.0057
Every format
| HEX | #040447 |
| RGB | rgb(4, 4, 71) |
| HSL | hsl(240, 89%, 15%) |
| CMYK | cmyk(94%, 94%, 0%, 72%) |
| LAB | lab(5.1 26.3 -39.7) |
| LCH | lch(5.1 47.6 303.6) |
| OKLCH | oklch(0.191 0.117 267.8) |
Copy-ready code
/* CSS */
color: #040447;
background-color: #040447;
/* Tailwind (arbitrary) */
class="text-[#040447] bg-[#040447]"
/* SCSS */
$brand: #040447;
/* SwiftUI */
Color(red: 0.016, green: 0.016, blue: 0.278)
/* Android */
Color.parseColor("#040447")Accessibility — WCAG contrast
Aa
#040447 on white: 18.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040447 on black: 1.11:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green1.6%
Blue27.8%
CMYK percentages
Cyan94.4%
Magenta94.4%
Yellow0.0%
Key (black)72.2%
Color previews
#040447 text on a black background
contrast 1.11:1
Card sample
#040447 text on a white background
contrast 18.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040447;
Background color
Panel with #040447 background
background-color: #040447;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040447;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 4, 71, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 4, 71, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040447; background: linear-gradient(135deg, #040447, #310447);