#1f3366
a dark, vivid blue · cool · closest name: midnightblue
RGB
31, 51, 102
HSL
223°, 53%, 26%
CMYK
70, 50, 0, 60
Luminance
0.0362
Every format
| HEX | #1f3366 |
| RGB | rgb(31, 51, 102) |
| HSL | hsl(223, 53%, 26%) |
| CMYK | cmyk(70%, 50%, 0%, 60%) |
| LAB | lab(22.4 10.6 -32.5) |
| LCH | lch(22.4 34.1 288.2) |
| OKLCH | oklch(0.335 0.093 265.5) |
Copy-ready code
/* CSS */
color: #1f3366;
background-color: #1f3366;
/* Tailwind (arbitrary) */
class="text-[#1f3366] bg-[#1f3366]"
/* SCSS */
$brand: #1f3366;
/* SwiftUI */
Color(red: 0.122, green: 0.200, blue: 0.400)
/* Android */
Color.parseColor("#1f3366")Accessibility — WCAG contrast
Aa
#1f3366 on white: 12.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1f3366 on black: 1.72:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.2%
Green20.0%
Blue40.0%
CMYK percentages
Cyan69.6%
Magenta50.0%
Yellow0.0%
Key (black)60.0%
Color previews
#1f3366 text on a black background
contrast 1.72:1
Card sample
#1f3366 text on a white background
contrast 12.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1f3366;
Background color
Panel with #1f3366 background
background-color: #1f3366;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1f3366;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(31, 51, 102, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 51, 102, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1f3366; background: linear-gradient(135deg, #1f3366, #3A1F66);