Color

#53636a

#53636a
hex#53636a
rgbrgb(83, 99, 106)
hslhsl(198, 12%, 37%)
oklchoklch(0.489 0.023 226.1)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.118

Colors that go with #53636a

Charcoal, 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 →

#6a5a53

#536a65 · #53586a

#6a5363 · #636a53

Split-complementary

Open in tool →

#6a5358 · #6a6553

#65536a · #6a5a53 · #586a53

Contrast

#53636a as textRatioAAAA largeAAAFix
Aaon white
6.25:1passpassfail
  • AAA: use #4c5b61 as the text (7.06:1)
Aaon black
3.36:1failpassfail
  • AA: use #657881 as the text (4.56:1)
  • AAA: use #8799a1 as the text (7.1:1)
  • AA: or shift the background to #dbdbdb (4.51:1)

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

Brands using this color

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

tool url/palettes/new/53636a-9cb3c4-df4e69-1f232d-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