Color

#673e93

#673e93
hex#673e93
rgbrgb(103, 62, 147)
hslhsl(269, 41%, 41%)
oklchoklch(0.454 0.137 303.7)
Closest name: Lords of the Night (#664488)Relative luminance 0.0844

Colors that go with #673e93

Charcoal, Blue and Crimson 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 →

#6a933e

#3e3f93 · #923e93

#93673e · #3e9367

Split-complementary

Open in tool →

#93923e · #3f933e

#933e3f · #6a933e · #3e9392

Contrast

#673e93 as textRatioAAAA largeAAAFix
Aaon white
7.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.69:1failfailfail
  • AA: use #8d61bd as the text (4.58:1)
  • AAA: use #aa88cd as the text (7.11:1)
  • AA: or shift the background to #c7c7c7 (4.62:1)
  • AAA: or shift the background to #f5f5f5 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673e93 as the background.

Brands using this color

Fonts for this mood

#673e93 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #673e93
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 #673e93 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673e93-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