Color

#223f37

#223f37
hex#223f37
rgbrgb(34, 63, 55)
hslhsl(163, 30%, 19%)
oklchoklch(0.342 0.038 174.3)
Closest name: Botanical Night (#12403c)Relative luminance 0.0417

Colors that go with #223f37

Sea Green, Teal and Amber 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 #223f37

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f222a

#223f28 · #22393f

#37223f · #3f3722

Split-complementary

Open in tool →

#3f2239 · #3f2822

#28223f · #3f222a · #393f22

Contrast

#223f37 as textRatioAAAA largeAAAFix
Aaon white
11.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #468170 as the text (4.63:1)
  • AAA: use #59a690 as the text (7.28:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223f37 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#223f37 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223f37
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 #223f37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223f37-a2beb9-d459b7-1f2b2d-e9f1eb?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