Color

#866ef2

#866ef2
hex#866ef2
rgbrgb(134, 110, 242)
hslhsl(251, 84%, 69%)
oklchoklch(0.626 0.19 288)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2263

Colors that go with #866ef2

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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#daf26e

#6e98f2 · #c86ef2

#f2866e · #6ef286

Split-complementary

Open in tool →

#f2c86e · #98f26e

#f26e98 · #daf26e · #6ef2c8

Contrast

#866ef2 as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #765bf1 as the text (4.63:1)
  • AAA: use #4f2ced as the text (7.2:1)
  • AA: or shift the background to #1a1a1a (4.58:1)
Aaon black
5.53:1passpassfail
  • AAA: use #9985f4 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #866ef2 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

#866ef2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #866ef2
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #866ef2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/866ef2-a89cc4-dfb34e-281f2d-e9ecf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md