Mediaeval Blue
#2e3858
Softer blue-violet for medieval calm in sidebars
About Mediaeval Blue
On a dark canvas, Mediaeval Blue reads like a medieval ink that's been slightly softened, not sharpened. It's purple-first, but it doesn't feel as heavy or ink-massed as Galaxea, and it's not as cool, tightly composed as Nautilus. Compared to Dark & Stormy, it's calmer in temperature, with a clearer blue cast that keeps it from turning too night-ink and controlled.
I reach for it when you need purple that still looks deliberate, but with a gentler glow than the deeper options. It shows up well in dashboards and finance apps where you want primary accents, selection states, or chart series to feel crisp without going steel-blue. In admin UIs for health tech and analytics reports, it works nicely for section headers and action pills that should stand out, yet feel less severe than the darker purples. The vibe is the one you reach for when dark mode needs hierarchy that stays friendly, not strict.
Pair it with clean whites and cool grays; if you drift warm, the blue undertone gets murky fast.
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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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