Sites like Mixpanel have a really great header design too and a similar navigation structure (please don't just clone this).
Screenshots of Mixpanel can be found there: https://zapier.com/apps/mixpanel/media
The example named "Screen Shot 2019-10-15 at 2.56.01 pm.png" is my favourite so far - but it (clearly) lacks finesse and some design detailing I can't seem to put my finger on.
* colours in provided sketch file
* our font is DIN Round Pro
* the design needs to be fit in 1280px wide and take up as little height as possible