Color
#c643ea
#c643eargb(198, 67, 234)hsl(287, 80%, 59%)oklch(0.636 0.251 318)Colors that go with #c643ea
Olive Drab, Charcoal and Olive Green 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.
Olive Drab #6b8e23
complementaryOlive Drab sits directly opposite #c643ea on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #c643ea: softer than #000 and cool enough to feel like part of the same palette.
Olive Green #808000
split-complementOlive Green is a split-complement of #c643ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Cadet Blue #5f9ea0
split-complementCadet Blue is a split-complement of #c643ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Medium Purple #9370db
analogousshippedMedium Purple is #c643ea's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Taupe #483c32
shippedTaupe is paired with #c643ea in two real palettes: Loom's brand system and Obsidian's brand system, as that palette's text colour.
Dark Goldenrod #b8860b
triadicDark Goldenrod completes a triad with #c643ea — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Crimson #dc143c
shippedCrimson is paired with #c643ea in Snyk's brand system, as the lead colour.
Real palettes that use #c643ea
Tints & shades
Harmonies
Contrast
| #c643ea as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.89:1 | fail | pass | fail | |
Aaon black | 5.39:1 | pass | 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 #c643ea 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
#c643ea 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 #c643ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/c643ea-bd9fc1-abcb62-2d1f2a-ece9f1?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