Color

#6a437f

#6a437f
hex#6a437f
rgbrgb(106, 67, 127)
hslhsl(279, 31%, 38%)
oklchoklch(0.453 0.104 312.8)
Closest name: Lords of the Night (#664488)Relative luminance 0.0861

Colors that go with #6a437f

Charcoal, Denim and Midnight 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 →

#587f43

#4c437f · #7f4376

#7f6a43 · #437f6a

Split-complementary

Open in tool →

#767f43 · #437f4c

#7f4c43 · #587f43 · #43767f

Contrast

#6a437f as textRatioAAAA largeAAAFix
Aaon white
7.71:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #9262ac as the text (4.56:1)
  • AAA: use #ae8ac1 as the text (7.21:1)
  • AA: or shift the background to #c7c7c7 (4.56:1)
  • AAA: or shift the background to #f5f5f5 (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 #6a437f 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 #6a437f
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 #6a437f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6a437f-b99fc1-b9cb62-2d1f2c-ebe9f1?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