Color

#911bc0

#911bc0
hex#911bc0
rgbrgb(145, 27, 192)
hslhsl(283, 75%, 43%)
oklchoklch(0.505 0.234 313)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.1061

Colors that go with #911bc0

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 →

#4ac01b

#3f1bc0 · #c01b9c

#c0911b · #1bc091

Split-complementary

Open in tool →

#9cc01b · #1bc03f

#c03f1b · #4ac01b · #1b9cc0

Contrast

#911bc0 as textRatioAAAA largeAAAFix
Aaon white
6.73:1passpassfail
  • AAA: use #8b1ab7 as the text (7.17:1)
Aaon black
3.12:1failpassfail
  • AA: use #b236e2 as the text (4.52:1)
  • AAA: use #ca75eb as the text (7.26:1)
  • AA: or shift the background to #d4d4d4 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #911bc0 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

#911bc0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #911bc0
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 #911bc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/911bc0-bb9fc1-b2cb62-2d1f2b-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