The HubPages logo is in our own special font that was created for us by our designer. You can't change the font on your Hubs (we do this on purpose to give readers a consistent experience across the site), but you can use different sized headings within your text capsules, in case you want to further organize information under your subheadings:
True the font type does not appear to be editable, however you are able to edit your HTML code. Also the "font size" can be selected under the "format" option within the text capsule, though limited in options.
As Christy said, the HubPages logo was created by our designer, James Edmondson (Paul's brother and my brother-in-law.) It's not a font you could use because it's not a complete typeface, i.e., he didn't create the entire alphabet of letters. You should check out James's website for all of his fonts. He's amazing! He's getting his Masters in Type in the Netherlands right now.
I'm sure all you Hubbers who are here now have noticed the new logo.As the creator of the old logo, and as a designer for HubPages for the past few years, I was acutely aware of it's strengths and limitations.As we've...