Color

#371f2e

#371f2e
hex#371f2e
rgbrgb(55, 31, 46)
hslhsl(323, 28%, 17%)
oklchoklch(0.277 0.044 342.3)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.0199

Colors that go with #371f2e

Charcoal, Dark Olive Green and Sienna 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 →

#1f3729

#351f37 · #371f22

#2e371f · #1f2e37

Split-complementary

Open in tool →

#22371f · #1f3735

#37351f · #1f3729 · #1f2237

Contrast

#371f2e as textRatioAAAA largeAAAFix
Aaon white
15.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #a55f8a as the text (4.6:1)
  • AAA: use #bb86a7 as the text (7.08:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #371f2e 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

#371f2e reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #371f2e
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 #371f2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/371f2e-c19fb0-6dcb62-2d1f22-f0e9f1?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