Color
#8166b2
#8166b2rgb(129, 102, 178)hsl(261, 33%, 55%)oklch(0.569 0.117 299)Colors that go with #8166b2
Charcoal, Sea Green and Crimson 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 #8166b2: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #8166b2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with #8166b2 in 5 real palettes, including Marvel's brand system and Retro Pop, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #8166b2 in 4 real palettes, including Campus and The New York Times's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #8166b2 in 7 real palettes, including Marvel's brand system and Plaid's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #8166b2 in 8 real palettes, including Superhuman's brand system and Zed's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Olive Green #808000
complementaryOlive Green sits directly opposite #8166b2 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #8166b2 in 3 real palettes, including Fintech Trust and General Mills's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #8166b2
Tints & shades
Harmonies
Contrast
| #8166b2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.69:1 | pass | pass | fail |
|
Aaon black | 4.48:1 | fail | 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 #8166b2 as the background.
Brands using this color
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 #8166b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/8166b2-af9cc4-dfcb4e-2a1f2d-e9eaf1?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