Color

#840cc0

#840cc0
hex#840cc0
rgbrgb(132, 12, 192)
hslhsl(280, 88%, 40%)
oklchoklch(0.48 0.238 308.7)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0897

Colors that go with #840cc0

Denim, Olive Drab 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 →

#48c00c

#2a0cc0 · #c00ca2

#c0840c · #0cc084

Split-complementary

Open in tool →

#a2c00c · #0cc02a

#c02a0c · #48c00c · #0ca2c0

Contrast

#840cc0 as textRatioAAAA largeAAAFix
Aaon white
7.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #b231f2 as the text (4.61:1)
  • AAA: use #c96ff6 as the text (7.09:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #840cc0 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

#840cc0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #840cc0
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 #840cc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/840cc0-b99fc1-b8cb62-2d1f2c-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