Quiet Harbour
#5a789a
Softer, desaturated harbor blue for calm body text
About Quiet Harbour
Quiet Harbour looks like a harbor mist settling over a dock at late afternoon. The blue is notably more restrained than Montreux Blue, not that denim-mid register, and it doesn't carry the "made-you-decide" punch of Clean Slate. Compared to Into the Blue, it's less sky-clear and more cloud-soft, so the surface feels quieter and slightly less saturated.
I use it when the UI needs clarity without feeling like it's pushing. Think air-traffic control for content in newsrooms, review queues in e-commerce ops, and dashboards and finance apps where you want links and statuses to read as active, but not press the user. It also works well on secondary buttons, table dividers, and chart series labels when the rest of the palette is already busy with grays.
One quirk: this shade can feel a touch cool next to warm whites, so I'll often pair it with neutrals that have a hint of cream, not stark paper. It's the one you reach for when you need blue to settle the page instead of steering it.
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Contrast checker
WCAG 2.1 contrast ratios. AA requires 4.5:1 for normal text, 3:1 for large. AAA requires 7:1 / 4.5:1.
On White #ffffff
On Gray 100 #f5f5f5
On Gray 900 #18181b
On Black #000000
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