Color

#563c67

#563c67
hex#563c67
rgbrgb(86, 60, 103)
hslhsl(276, 26%, 32%)
oklchoklch(0.404 0.077 311.1)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0619

Colors that go with #563c67

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 →

#4d673c

#413c67 · #673c63

#67563c · #3c6756

Split-complementary

Open in tool →

#63673c · #3c6741

#67413c · #4d673c · #3c6367

Contrast

#563c67 as textRatioAAAA largeAAAFix
Aaon white
9.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #8d68a6 as the text (4.66:1)
  • AAA: use #a88bbb as the text (7.08:1)
  • AA: or shift the background to #b5b5b5 (4.58:1)
  • AAA: or shift the background to #e0e0e0 (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 #563c67 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 #563c67
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 #563c67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/563c67-b99cc4-bfcb62-2d1f2d-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