Circuit
Open in tool →Violet plus cyan is the current AI-product signal — pair it with pure black type to keep it from going candy.
Color
#7543eargb(117, 67, 234)hsl(258, 80%, 59%)oklch(0.542 0.234 290)Charcoal, Cobalt Blue and Crimson 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.
Charcoal is the text near-black for #7543ea: softer than #000 and cool enough to feel like part of the same palette.
Designers have shipped Cobalt Blue with #7543ea: 4 real palettes, including Nivea's brand system and NHL's brand system, as the lead colour.
Crimson is paired with #7543ea in 5 real palettes, including Gemstone and Marvel's brand system, as the accent.
Light Sky Blue is paired with #7543ea in 4 real palettes, including Calm's brand system and Sentry's brand system, as the supporting colour.
6 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #7543ea, as that palette's text colour.
Taupe is paired with #7543ea in 5 real palettes, including Obsidian's brand system and Superhuman's brand system, as that palette's text colour.
Olive Green sits directly opposite #7543ea on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber is paired with #7543ea in 3 real palettes, including Mastodon hosted on mastodon.social's brand system and Wikipedia's brand system, as the accent.
| #7543ea as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.6:1 | pass | pass | fail |
|
Aaon black | 3.75:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7543ea as the background.
#7543ea 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 #7543ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/7543ea-ad9cc4-dfc44e-291f2d-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