Color

#37583b

#37583b
hex#37583b
rgbrgb(55, 88, 59)
hslhsl(127, 23%, 28%)
oklchoklch(0.426 0.061 147.4)
Closest name: Ficus (#3b593a)Relative luminance 0.0811

Colors that go with #37583b

Blue, Crimson and Denim 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 #37583b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#583754

#445837 · #37584b

#3b3758 · #583b37

Split-complementary

Open in tool →

#4b3758 · #583744

#374458 · #583754 · #584b37

Contrast

#37583b as textRatioAAAA largeAAAFix
Aaon white
8.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #518156 as the text (4.62:1)
  • AAA: use #6ca372 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 #37583b as the background.

Brands using this color

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

Fonts for this mood

#37583b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37583b
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 #37583b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37583b-a2bea8-aa4edf-1f2d27-ecf1e9?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