Color
#b663a1
#b663a1rgb(182, 99, 161)hsl(315, 36%, 55%)oklch(0.615 0.132 337.3)Colors that go with #b663a1
Cadet Blue, Olive Drab 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.
Cadet Blue #5f9ea0
complementaryCadet Blue sits directly opposite #b663a1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Olive Drab #6b8e23
split-complementOlive Drab is a split-complement of #b663a1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralCharcoal is the body-text near-black for #b663a1: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Olive Green #808000
triadicOlive Green completes a triad with #b663a1 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Medium Purple #9370db
analogousMedium Purple is #b663a1's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shippedDunkin''s brand system puts Blue beside #b663a1, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #b663a1 in Klarna US's brand system, as the accent.
Champagne #f7e7ce
shippedMidnight Luxe puts Champagne beside #b663a1, as that palette's text colour.
Real palettes that use #b663a1
Tints & shades
Harmonies
Contrast
| #b663a1 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.97:1 | fail | pass | fail | |
Aaon black | 5.29:1 | 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 #b663a1 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
#b663a1 reads as warm. 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 #b663a1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b663a1-c19fb4-7bcb62-2d1f24-efe9f1?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