Color
#866dd9
#866dd9rgb(134, 109, 217)hsl(254, 59%, 64%)oklch(0.609 0.159 291.6)Colors that go with #866dd9
Amber, Deep Sky Blue and Denim 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.
Amber #ffbf00
shippedAmber is paired with #866dd9 in 5 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #866dd9: 4 real palettes, including Calm's brand system and Blueprint, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #866dd9: 8 real palettes, including Linkedin's brand system and Fivetran blue's brand system, as the lead colour.
Midnight Blue #191970
shipped4 real palettes, including Lavender Haze and Marvel's brand system put Midnight Blue beside #866dd9, as that palette's text colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #866dd9 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-complementshippedOlive Drab is a split-complement of #866dd9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Copper #b87333
split-complementshippedCopper is a split-complement of #866dd9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #866dd9: softer than #000 and cool enough to feel like part of the same palette.
Real palettes that use #866dd9
Tints & shades
Harmonies
Contrast
| #866dd9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.04:1 | fail | pass | fail | |
Aaon black | 5.2:1 | 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 #866dd9 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
#866dd9 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 #866dd9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/866dd9-aa9cc4-dfbb4e-291f2d-e9ebf1?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