In a RGB color space, hex #404080 (known as Dark Slate Blue color) is composed of 25% red, 25% green and 50% blue. Whereas in a CMYK color space, it is composed of 50% cyan, 50% magenta, 0% yellow and 50% black. Scroll down to get more color shades, tone and matching colors with this color.
| Color Name* | Dark Slate Blue |
| Hex | #404080 |
| RGB | 64, 64, 128 |
| CMYK* | 50, 50, 0, 50 |
| HSL* | 240, 33%, 38% |
| Pantone* | 7672 C (#4C4184) |
666699