Color

#650ac7

#650ac7
hex#650ac7
rgbrgb(101, 10, 199)
hslhsl(269, 90%, 41%)
oklchoklch(0.446 0.24 294.7)
Closest name: Blurple (#5539cc)Relative luminance 0.0711

Colors that go with #650ac7

Olive Green, Charcoal and Royal Blue 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 →

#6cc70a

#0a0ec7 · #c40ac7

#c7650a · #0ac765

Split-complementary

Open in tool →

#c7c40a · #0ec70a

#c70a0e · #6cc70a · #0ac7c4

Contrast

#650ac7 as textRatioAAAA largeAAAFix
Aaon white
8.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #9b47f5 as the text (4.61:1)
  • AAA: use #b87cf8 as the text (7.28:1)
  • 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 #650ac7 as the background.

Brands using this color

Fonts for this mood

#650ac7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #650ac7
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 #650ac7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/650ac7-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