Color

#563f64

#563f64
hex#563f64
rgbrgb(86, 63, 100)
hslhsl(277, 23%, 32%)
oklchoklch(0.408 0.067 312.1)
Closest name: Haunted Candelabra (#57446a)Relative luminance 0.0645

Colors that go with #563f64

Copper, Powder Blue and Sage 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 #563f64

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d643f

#433f64 · #643f60

#64563f · #3f6456

Split-complementary

Open in tool →

#60643f · #3f6443

#64433f · #4d643f · #3f6064

Contrast

#563f64 as textRatioAAAA largeAAAFix
Aaon white
9.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #8b68a1 as the text (4.59:1)
  • AAA: use #a88eb8 as the text (7.23:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #563f64 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 #563f64
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 #563f64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/563f64-b99cc4-bdcb62-2d1f2c-eae9f1?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