Neobank
Open in tool →Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Color
#6429dbrgb(100, 41, 219)hsl(260, 71%, 51%)oklch(0.484 0.243 288.7)Royal Blue, Charcoal and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Royal Blue is #6429db's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Charcoal is the text near-black for #6429db: softer than #000 and cool enough to feel like part of the same palette.
Designers have shipped Cobalt Blue with #6429db: 5 real palettes, including Zillow's brand system and Unilever's brand system, as the supporting colour.
Designers have shipped Cornflower Blue with #6429db: 4 real palettes, including Qualcomm's brand system and Roblox's brand system, as the supporting colour.
Designers have shipped Deep Sky Blue with #6429db: 4 real palettes, including Kraken's brand system and Render's brand system, as the accent.
Designers have shipped Denim with #6429db: 5 real palettes, including Linkedin's brand system and Unilever's brand system, as the lead colour.
6 real palettes, including Kraken's brand system and Purina Pro Plan's brand system put Midnight Blue beside #6429db, as the lead colour.
4 real palettes, including GitLab's brand system and Etsy's brand system put Tomato beside #6429db, as the lead colour.
| #6429db as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.29:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.88:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6429db as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#6429db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #6429db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6429db-ae9cc4-dfc94e-2a1f2d-e9ebf1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md