The Quote block has a regular and large style. You can change the colour of the border and the text with the regular style. Text can be aligned, linked and styled bold or italic.
In addition to the Quote block, there is also the Pullquote block, with a regular and a solid colour style.
Gutenberg is more than an editor.The WordPress Team
Yes, it is a press, certainly, but a press from which shall flow in inexhaustible streams, the most abundant and most marvelous liquor that has ever flowed to relieve the thirst of men!Johannes Gutenberg