Color

#52656b

#52656b
hex#52656b
rgbrgb(82, 101, 107)
hslhsl(194, 13%, 37%)
oklchoklch(0.493 0.025 218.9)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1216

Colors that go with #52656b

Charcoal, Champagne 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6b5852

#526b64 · #52596b

#6b5265 · #656b52

Split-complementary

Open in tool →

#6b5259 · #6b6452

#64526b · #6b5852 · #596b52

Contrast

#52656b as textRatioAAAA largeAAAFix
Aaon white
6.12:1passpassfail
  • AAA: use #495a5f as the text (7.21:1)
Aaon black
3.43:1failpassfail
  • AA: use #62787f as the text (4.51:1)
  • AAA: use #8399a0 as the text (7.03:1)
  • AA: or shift the background to #dedede (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #52656b as the background.

Brands using this color

mcpConnect your agent — build around #52656b
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 #52656b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/52656b-9cb6c4-df4e72-1f242d-e9f1ef?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