Color
#643d7f
#643d7frgb(100, 61, 127)hsl(275, 35%, 37%)oklch(0.436 0.112 309.8)Colors that go with #643d7f
Dark Olive Green, Teal 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.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #643d7f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
split-complementshippedTeal is a split-complement of #643d7f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #643d7f: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
shippedCopper is paired with #643d7f in two real palettes: Dusk and Bramble, as the accent — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #643d7f in two real palettes: Console Light and Stripe's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Sandy Brown #f4a460
shippedSandy Brown is paired with #643d7f in two real palettes: Dusk Gradient and Golden Hour, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #643d7f in two real palettes: Dusk and Blush, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Sienna #a0522d
triadicSienna completes a triad with #643d7f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #643d7f
Tints & shades
Harmonies
Contrast
| #643d7f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.35:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.52:1 | 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 #643d7f as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#643d7f reads as cool, modern. 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 #643d7f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/643d7f-b89cc4-c0cb62-2d1f2d-eae9f1?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