#40378B
Blue
HEX
RGB
HSL
About #40378B Blue
#40378B is a blue color. In the RGB color model, it is composed of 64 red, 55 green, and 139 blue. In the HSL color space, it has a hue of 246°, saturation of 43%, and lightness of 38%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code & Gradients
Use #40378B in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
246°
Hue
43%
Saturation
38%
Lightness
Blue
Color Harmonies
Colors that work well with #40378B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #40378B against white and black backgrounds.
Aa#40378B on White
Contrast Ratio9.83:1
AA ✓AA Large ✓AAA ✓
Aa#40378B on Black
Contrast Ratio2.14:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #40378B across different color formats.
| Format | Value |
|---|---|
| HEX | #40378B |
| RGB | rgb(64, 55, 139) |
| HSL | hsl(246, 43%, 38%) |
| RGB Decimal | 64, 55, 139 |
| RGB Percent | 25.1%, 21.6%, 54.5% |
| CMYK (approx.) | 54%, 60%, 0%, 45% |
Related Palettes
12 palettes using #40378B or similar colors