Color

#505368

#505368
hex#505368
rgbrgb(80, 83, 104)
hslhsl(233, 13%, 36%)
oklchoklch(0.448 0.035 278.5)
Closest name: Freefall (#565266)Relative luminance 0.0889

Colors that go with #505368

Blue, Cadet Blue and Copper 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 #505368

Tints & shades

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

Harmonies

Complementary

Open in tool →

#686550

#505f68 · #595068

#685053 · #536850

Split-complementary

Open in tool →

#685950 · #5f6850

#68505f · #686550 · #506859

Contrast

#505368 as textRatioAAAA largeAAAFix
Aaon white
7.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #6f7390 as the text (4.53:1)
  • AAA: use #9294ab as the text (7.05:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #505368 as the background.

Brands using this color

mcpConnect your agent — build around #505368
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 #505368 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/505368-9c9cc4-df884e-241f2d-e9eef1?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