Color
#866eaa
#866eaargb(134, 110, 170)hsl(264, 26%, 55%)oklch(0.585 0.093 302)Colors that go with #866eaa
Charcoal, Denim and Midnight 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 #866eaa: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #866eaa: 5 real palettes, including Campus and American Express's brand system, as the lead colour.
Midnight Blue #191970
shipped4 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #866eaa, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #866eaa in 10 real palettes, including Graphite Mono and Zed's brand system, as the lead colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #866eaa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #866eaa: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Copper #b87333
triadicshippedCopper completes a triad with #866eaa — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Rust #b7410e
shippedRust shows up next to #866eaa in 3 real palettes, including Semrush's brand system and Gallery, as the accent.
Real palettes that use #866eaa
Tints & shades
Harmonies
Contrast
| #866eaa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.35:1 | fail | pass | fail | |
Aaon black | 4.82:1 | 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 #866eaa 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 #866eaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/866eaa-b19cc4-dfd34e-2b1f2d-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