Color
#866ce5
#866ce5rgb(134, 108, 229)hsl(253, 70%, 66%)oklch(0.614 0.176 290.1)Colors that go with #866ce5
Amber, Blue and Deep Sky 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.
Amber #ffbf00
shippedAmber is paired with #866ce5 in 4 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent.
Blue #0000ff
shipped7 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #866ce5, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #866ce5: 4 real palettes, including Calm's brand system and Blueprint, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #866ce5: 4 real palettes, including Fivetran blue's brand system and Coursera's brand system, as the supporting colour.
Midnight Blue #191970
shipped6 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #866ce5, as that palette's text colour.
Orange Red #ff4500
shippedOrange Red is paired with #866ce5 in 4 real palettes, including Clerk's brand system and Readymag's brand system, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #866ce5: softer than #000 and cool enough to feel like part of the same palette.
Olive Green #808000
complementaryOlive Green sits directly opposite #866ce5 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #866ce5
Tints & shades
Harmonies
Contrast
| #866ce5 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.97:1 | fail | pass | fail | |
Aaon black | 5.29:1 | 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 #866ce5 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
#866ce5 reads as cool, vivid, technical. 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 #866ce5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/866ce5-a99cc4-dfb84e-281f2d-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