Color

#505668

#505668
hex#505668
rgbrgb(80, 86, 104)
hslhsl(225, 13%, 36%)
oklchoklch(0.455 0.03 270.7)
Closest name: Black Orchid (#525463)Relative luminance 0.0936

Colors that go with #505668

Blue, Blush Pink and Cadet 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 →

#686250

#506268 · #565068

#685056 · #566850

Split-complementary

Open in tool →

#685650 · #626850

#685062 · #686250 · #506856

Contrast

#505668 as textRatioAAAA largeAAAFix
Aaon white
7.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.87:1failfailfail
  • AA: use #6d758d as the text (4.58:1)
  • AAA: use #8f95a8 as the text (7.03:1)
  • AA: or shift the background to #cccccc (4.55:1)
  • AAA: or shift the background to #fafafa (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #505668 as the background.

Brands using this color

mcpConnect your agent — build around #505668
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 #505668 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/505668-9ca1c4-df754e-221f2d-e9eff1?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