Color

#650cc6

#650cc6
hex#650cc6
rgbrgb(101, 12, 198)
hslhsl(269, 89%, 41%)
oklchoklch(0.446 0.239 294.8)
Closest name: Blurple (#5539cc)Relative luminance 0.0711

Colors that go with #650cc6

Olive Green, Charcoal and Denim 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 →

#6cc60c

#0c0fc6 · #c20cc6

#c6650c · #0cc665

Split-complementary

Open in tool →

#c6c20c · #0fc60c

#c60c0f · #6cc60c · #0cc6c2

Contrast

#650cc6 as textRatioAAAA largeAAAFix
Aaon white
8.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #9b48f4 as the text (4.63:1)
  • AAA: use #b87df7 as the text (7.31:1)
  • AA: or shift the background to #bdbdbd (4.62:1)
  • AAA: or shift the background to #e8e8e8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #650cc6 as the background.

Brands using this color

Fonts for this mood

#650cc6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #650cc6
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 #650cc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/650cc6-b49cc4-cbcb62-2c1f2d-e9e9f1?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