Thalassophile
#44aadd
Pale cyan sea-glass blue, lighter than Cousteau
About Thalassophile
On my screen, Thalassophile reads like a calmer sea glass blue, but with enough depth to feel intentional, not washed out. It sits between the brighter, more attention-grabbing High Blue and the slightly more withdrawn Cousteau, yet it doesn't feel as cool or deep as Mystic Blue. The difference you'll notice is the undertone: a gentle leaning-toward-teal that keeps it lively without pushing saturation hard.
I use it for dashboards and finance apps when accents need to be clear but not loud. Think fintech transaction views, health monitoring charts, and SaaS settings panels where hover states, badges, and primary-outline buttons should hold their place on light backgrounds. It's the one you reach for when you want presence that's softer than High Blue, but more stable than Cousteau's receding behavior.
Quick pairing note: it plays nicely with slate grays and clean off-whites. Pair it with warm neutrals too, though, because it can look a touch more aquatic than you expect.
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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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