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
#7538e5rgb(117, 56, 229)hsl(261, 77%, 56%)oklch(0.525 0.24 292)Midnight Blue, Olive Green and Charcoal 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.
4 real palettes, including Kraken's brand system and Lavender Haze put Midnight Blue beside #7538e5, as the lead colour.
Olive Green sits directly opposite #7538e5 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal is the text near-black for #7538e5: softer than #000 and cool enough to feel like part of the same palette.
Designers have shipped Deep Sky Blue with #7538e5: 3 real palettes, including Render's brand system and Calm's brand system, as the supporting colour.
Light Sky Blue is paired with #7538e5 in 3 real palettes, including Calm's brand system and Sentry's brand system, as the supporting colour.
Medium Sea Green is paired with #7538e5 in 3 real palettes, including Indigo SaaS and Console Light, as the accent.
3 real palettes, including Indigo SaaS and Campus put Slate Gray beside #7538e5, as the supporting colour.
Taupe is paired with #7538e5 in 3 real palettes, including Superhuman's brand system and Obsidian's brand system, as the lead colour.
| #7538e5 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.08:1 | pass | pass | fail |
|
Aaon black | 3.45:1 | 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 #7538e5 as the background.
#7538e5 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 #7538e5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/7538e5-af9cc4-dfcb4e-2a1f2d-e9eaf1?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