Color
#a66dc0
#a66dc0rgb(166, 109, 192)hsl(281, 40%, 59%)oklch(0.627 0.135 314.6)Colors that go with #a66dc0
Charcoal, Olive Drab 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #a66dc0: softer than #000 and cool enough to feel like part of the same palette.
Olive Drab #6b8e23
complementaryOlive Drab sits directly opposite #a66dc0 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue shows up next to #a66dc0 in 3 real palettes, including Obsidian's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour.
Midnight Blue #191970
shipped3 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #a66dc0, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #a66dc0 in 3 real palettes, including Loom's brand system and Obsidian's brand system, as that palette's text colour.
Cadet Blue #5f9ea0
split-complementCadet Blue is a split-complement of #a66dc0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Olive Green #808000
split-complementOlive Green is a split-complement of #a66dc0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #a66dc0 in two real palettes: Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent.
Real palettes that use #a66dc0
Tints & shades
Harmonies
Contrast
| #a66dc0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.77:1 | fail | pass | fail | |
Aaon black | 5.57:1 | 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 #a66dc0 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
#a66dc0 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 #a66dc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/a66dc0-ba9fc1-b6cb62-2d1f2c-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