Blue serves as the primary base color for HealthCare.gov. According to basic color theory, blue symbolizes trust, confidence, and sincerity. Blue is also used extensively to represent calmness and responsibility. HealthCare.gov makes use of a broad spectrum of blues. Each shade of blue is used for a specific purpose.
Following minimalist design principles, accent colors on HealthCare.gov are used to capture the viewer’s attention and highlight the most important features on a page. These colors are used most often on buttons and notifications. Accent colors are used sparingly and never draw the eye to more than one bit of information at a time.
A few of the permanent modules within HealthCare.gov follow slight variations on the primary color palette to create a more dynamic look and give a visual depth within the flat design paradigm.
The secondary call to action (CTA) lives immediately below the hero area on major landing pages and provides site visitors with a gateway to important information.
The action bar lives below the secondary CTA on some first-tier landing pages. The action bar typically takes users to a tool or other actionable content.
Email signup & blog module
The email signup and blog modules live below the action bar on the homepage exclusively.