Color

#675ca3

#675ca3
hex#675ca3
rgbrgb(103, 92, 163)
hslhsl(249, 28%, 50%)
oklchoklch(0.518 0.11 289.1)
Closest name: Passion Flower (#6f5698)Relative luminance 0.1318

Colors that go with #675ca3

Charcoal, Sea Green and Amber 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 →

#98a35c

#5c75a3 · #8a5ca3

#a3675c · #5ca367

Split-complementary

Open in tool →

#a38a5c · #75a35c

#a35c75 · #98a35c · #5ca38a

Contrast

#675ca3 as textRatioAAAA largeAAAFix
Aaon white
5.77:1passpassfail
  • AAA: use #584f8c as the text (7.21:1)
Aaon black
3.64:1failpassfail
  • AA: use #766cac as the text (4.51:1)
  • AAA: use #9790c1 as the text (7.08:1)
  • AA: or shift the background to #e6e6e6 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #675ca3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #675ca3
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 #675ca3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/675ca3-a79cc4-dfae4e-271f2d-e9ecf1?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