Color

#573f64

#573f64
hex#573f64
rgbrgb(87, 63, 100)
hslhsl(279, 23%, 32%)
oklchoklch(0.409 0.067 313.2)
Closest name: Haunted Candelabra (#57446a)Relative luminance 0.065

Colors that go with #573f64

Teal, Sea Green and 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 →

#4c643f

#443f64 · #643f5f

#64573f · #3f6457

Split-complementary

Open in tool →

#5f643f · #3f6444

#64443f · #4c643f · #3f5f64

Contrast

#573f64 as textRatioAAAA largeAAAFix
Aaon white
9.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #8d68a1 as the text (4.63:1)
  • AAA: use #a78bb6 as the text (7.01:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #573f64 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 #573f64
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 #573f64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/573f64-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