In a RGB color space, hex #253759 (known as Indigo (Rainbow) color) is composed of 15% red, 22% green and 35% blue. Whereas in a CMYK color space, it is composed of 58% cyan, 38% magenta, 0% yellow and 65% black. Scroll down to get more color shades, tone and matching colors with this color.
| Color Name* | Indigo (Rainbow) |
| Hex | #253759 |
| RGB | 37, 55, 89 |
| CMYK* | 58, 38, 0, 65 |
| HSL* | 219, 41%, 25% |
| Pantone* | 534 C (#1B365D) |
515f7a