Color

#37436d

#37436d
hex#37436d
rgbrgb(55, 67, 109)
hslhsl(227, 33%, 32%)
oklchoklch(0.393 0.073 270.7)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0593

Colors that go with #37436d

Steel Blue, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d6137

#375d6d · #46376d

#6d3742 · #426d37

Split-complementary

Open in tool →

#6d4637 · #5d6d37

#6d375d · #6d6137 · #376d46

Contrast

#37436d as textRatioAAAA largeAAAFix
Aaon white
9.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #6374b0 as the text (4.66:1)
  • AAA: use #8895c3 as the text (7.13:1)
  • AA: or shift the background to #b3b3b3 (4.58:1)
  • AAA: or shift the background to #dedede (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37436d as the background.

Brands using this color

mcpConnect your agent — build around #37436d
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 #37436d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37436d-9ca0c4-df7a4e-221f2d-e9eff1?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