Color

#53636e

#53636e
hex#53636e
rgbrgb(83, 99, 110)
hslhsl(204, 14%, 38%)
oklchoklch(0.49 0.026 238.1)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1189

Colors that go with #53636e

Charcoal, Champagne and Cobalt 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 →

#6e5e53

#536e6c · #53566e

#6e5364 · #646e53

Split-complementary

Open in tool →

#6e5356 · #6e6c53

#6c536e · #6e5e53 · #566e53

Contrast

#53636e as textRatioAAAA largeAAAFix
Aaon white
6.22:1passpassfail
  • AAA: use #4b5963 as the text (7.22:1)
Aaon black
3.38:1failpassfail
  • AA: use #657986 as the text (4.63:1)
  • AAA: use #8899a5 as the text (7.15:1)
  • AA: or shift the background to #dedede (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #53636e as the background.

Brands using this color

mcpConnect your agent — build around #53636e
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 #53636e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53636e-9cafc4-df4e5a-1f222d-e9f1f0?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