Color

#891bbb

#891bbb
hex#891bbb
rgbrgb(137, 27, 187)
hslhsl(281, 75%, 42%)
oklchoklch(0.49 0.228 311.4)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0969

Colors that go with #891bbb

Denim, Forest Green and Charcoal 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 →

#4ebb1b

#381bbb · #bb1b9e

#bb891b · #1bbb89

Split-complementary

Open in tool →

#9ebb1b · #1bbb38

#bb381b · #4ebb1b · #1b9ebb

Contrast

#891bbb as textRatioAAAA largeAAAFix
Aaon white
7.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #ae3be3 as the text (4.53:1)
  • AAA: use #c675eb as the text (7.15:1)
  • AA: or shift the background to #cfcfcf (4.59:1)
  • AAA: or shift the background to #ffffff (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #891bbb 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

#891bbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #891bbb
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 #891bbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/891bbb-ba9fc1-b6cb62-2d1f2c-ebe9f1?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