Color

#37684c

#37684c
hex#37684c
rgbrgb(55, 104, 76)
hslhsl(146, 31%, 31%)
oklchoklch(0.474 0.071 157.2)
Closest name: Forest Serenade (#336644)Relative luminance 0.1123

Colors that go with #37684c

Charcoal, Medium Violet Red 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 →

#683752

#3a6837 · #376864

#4c3768 · #684c37

Split-complementary

Open in tool →

#643768 · #68373a

#373a68 · #683752 · #686437

Contrast

#37684c as textRatioAAAA largeAAAFix
Aaon white
6.47:1passpassfail
  • AAA: use #336147 as the text (7.14:1)
Aaon black
3.25:1failpassfail
  • AA: use #45825f as the text (4.61:1)
  • AAA: use #58a77a as the text (7.22:1)
  • AA: or shift the background to #d9d9d9 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37684c as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #37684c
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 #37684c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37684c-a2beb1-ce59d4-1f2d2b-eaf1e9?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