Color

#673cf6

#673cf6
hex#673cf6
rgbrgb(103, 60, 246)
hslhsl(254, 91%, 60%)
oklchoklch(0.532 0.255 284.2)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1277

Colors that go with #673cf6

Olive Green, Charcoal and Medium Sea Green 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.

Real palettes that use #673cf6

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cbf63c

#3c6ef6 · #c43cf6

#f6673c · #3cf667

Split-complementary

Open in tool →

#f6c43c · #6ef63c

#f63c6e · #cbf63c · #3cf6c4

Contrast

#673cf6 as textRatioAAAA largeAAAFix
Aaon white
5.91:1passpassfail
  • AAA: use #5524f5 as the text (7.1:1)
Aaon black
3.55:1failpassfail
  • AA: use #7e59f7 as the text (4.66:1)
  • AAA: use #a085f9 as the text (7.22:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673cf6 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

#673cf6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #673cf6
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 #673cf6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673cf6-aa9cc4-dfbb4e-291f2d-e9ebf1?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