Color

#213720

#213720
hex#213720
rgbrgb(33, 55, 32)
hslhsl(117, 26%, 17%)
oklchoklch(0.311 0.049 143.3)
Closest name: Darkest Forest (#223311)Relative luminance 0.0316

Colors that go with #213720

Dark Olive Green, Sienna and Steel 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 →

#352037

#2c3720 · #20372a

#202137 · #372021

Split-complementary

Open in tool →

#2a2037 · #37202c

#202c37 · #352037 · #372a20

Contrast

#213720 as textRatioAAAA largeAAAFix
Aaon white
12.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #4e814b as the text (4.57:1)
  • AAA: use #68a465 as the text (7.09:1)
  • AA: or shift the background to #999999 (4.52:1)
  • AAA: or shift the background to #c2c2c2 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #213720 as the background.

Brands using this color

Fonts for this mood

#213720 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #213720
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 #213720 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/213720-a2bea4-924edf-1f2d25-edf1e9?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