Color

#37536d

#37536d
hex#37536d
rgbrgb(55, 83, 109)
hslhsl(209, 33%, 32%)
oklchoklch(0.431 0.055 247.4)
Closest name: Bluedgeons (#324c64)Relative luminance 0.081

Colors that go with #37536d

Sienna, Blue 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.

Real palettes that use #37536d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d5137

#376d6c · #37386d

#6d3752 · #526d37

Split-complementary

Open in tool →

#6d3738 · #6d6c37

#6c376d · #6d5137 · #386d37

Contrast

#37536d as textRatioAAAA largeAAAFix
Aaon white
8.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #50799f as the text (4.58:1)
  • AAA: use #779abb as the text (7.12:1)
  • AA: or shift the background to #c4c4c4 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37536d 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 #37536d
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 #37536d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37536d-9cacc4-df4e4e-1f212d-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