Color

#37516c

#37516c
hex#37516c
rgbrgb(55, 81, 108)
hslhsl(211, 33%, 32%)
oklchoklch(0.426 0.055 250.1)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0778

Colors that go with #37516c

Teal, Sienna and 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 →

#6d5237

#376c6d · #38376d

#6d3751 · #516d37

Split-complementary

Open in tool →

#6d3837 · #6c6d37

#6d376c · #6d5237 · #376d38

Contrast

#37516c as textRatioAAAA largeAAAFix
Aaon white
8.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #5279a3 as the text (4.62:1)
  • AAA: use #7b9abc as the text (7.19:1)
  • AA: or shift the background to #c2c2c2 (4.61:1)
  • AAA: or shift the background to #ededed (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37516c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #37516c
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 #37516c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37516c-9cabc4-df534e-1f202d-e9f1f1?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