Blasphemous Blue
#3356aa
Midweight indigo violet for high-contrast UI
About Blasphemous Blue
Blasphemous Blue hits different because it's darker and more saturated than everything around it in this family. Where Bellflower stays bright and Blurple settles into that comfortable mid-tone, this one goes deeper, there's real weight here, the kind that doesn't ask permission to take up space. It's still cooler than warm, still readable, but it's got a grip to it.
You'll use this in fintech dashboards, enterprise tools, and dark mode interfaces where you need purple that actually commands attention instead of just existing. It works in modals, buttons that need to matter, and brand systems where you're building something with stakes. Unlike Admiral Blue, there's no murk or restraint softening it, this stays vivid and direct even as it deepens. It's the aggressive move in the purple lineup.
Pair it against white or light gray and it'll punch. Against dark backgrounds it'll glow a little, which means you need to be intentional about where it lives. This isn't the purple for systems that whisper. It's the one you reach for when you need color that doesn't back down.
Code snippets
Copy this color into your project.
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
Variations
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