It might be counterintuitive, but there’s something very important requirement for a business card: a brand manual.
It might look simple enough – “for a business card, I only need some text + colors,” but there must be a coherent image you present. Having a business card based on blue while your website is orange is not a professional brand.
So, when you need a new business card, make it aligned with the image of your website.
I got this idea from Magda Bei – CEO @ Graphtec at Marketing Waves (2023.04.06, Mamaia, Constanța).