Color

#563c68

#563c68
hex#563c68
rgbrgb(86, 60, 104)
hslhsl(275, 27%, 32%)
oklchoklch(0.404 0.078 310.4)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0621

Colors that go with #563c68

Blue, Copper 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 →

#4e683c

#3f3c68 · #683c64

#68553c · #3c6855

Split-complementary

Open in tool →

#64683c · #3c683f

#683f3c · #4e683c · #3c6468

Contrast

#563c68 as textRatioAAAA largeAAAFix
Aaon white
9.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #8d67a8 as the text (4.64:1)
  • AAA: use #a78abc as the text (7:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #563c68 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 #563c68
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 #563c68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/563c68-b89cc4-c0cb62-2d1f2d-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