Color
#b366cc
#b366ccrgb(179, 102, 204)hsl(285, 50%, 60%)oklch(0.636 0.166 317.4)Colors that go with #b366cc
Olive Drab, Charcoal and Medium Slate Blue 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 #b366cc 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 #b366cc: softer than #000 and cool enough to feel like part of the same palette.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue shows up next to #b366cc in 3 real palettes, including Obsidian's brand system and monday.com's brand system, as the supporting colour.
Cadet Blue #5f9ea0
split-complementCadet Blue is a split-complement of #b366cc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Dark Goldenrod #b8860b
split-complementDark Goldenrod is a split-complement of #b366cc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue Violet #8a2be2
shippedBlue Violet is paired with #b366cc in two real palettes: ClickUp's brand system and Klarna US's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #b366cc: two real palettes: Hasbro's brand system and Linkedin's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #b366cc in two real palettes: Loom's brand system and Obsidian's brand system, as that palette's text colour.
Real palettes that use #b366cc
Tints & shades
Harmonies
Contrast
| #b366cc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.69:1 | fail | pass | fail | |
Aaon black | 5.69:1 | 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 #b366cc 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
#b366cc 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 #b366cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b366cc-bc9fc1-afcb62-2d1f2b-ebe9f1?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