Color

#866ee7

#866ee7
hex#866ee7
rgbrgb(134, 110, 231)
hslhsl(252, 72%, 67%)
oklchoklch(0.619 0.176 289.4)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.2199

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfe76e

#6e93e7 · #c36ee7

#e7866e · #6ee786

Split-complementary

Open in tool →

#e7c36e · #93e76e

#e76e93 · #cfe76e · #6ee7c3

Contrast

#866ee7 as textRatioAAAA largeAAAFix
Aaon white
3.89:1failpassfail
  • AA: use #785de5 as the text (4.67:1)
  • AAA: use #5735de as the text (7.07:1)
  • AA: or shift the background to #171717 (4.61:1)
Aaon black
5.4:1passpassfail
  • AAA: use #9c89ec as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #866ee7 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

#866ee7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #866ee7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #866ee7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/866ee7-a99cc4-dfb64e-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