Color

#371f36

#371f36
hex#371f36
rgbrgb(55, 31, 54)
hslhsl(303, 28%, 17%)
oklchoklch(0.281 0.053 328.3)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0206

Colors that go with #371f36

Charcoal, Dark Olive Green and Sea Green 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 →

#1f3720

#2d1f37 · #371f2a

#36371f · #1f3637

Split-complementary

Open in tool →

#2a371f · #1f372d

#372d1f · #1f3720 · #1f2a37

Contrast

#371f36 as textRatioAAAA largeAAAFix
Aaon white
14.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #a35ca0 as the text (4.6:1)
  • AAA: use #bb86b8 as the text (7.22:1)
  • AA: or shift the background to #8f8f8f (4.6:1)
  • AAA: or shift the background to #b3b3b3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #371f36 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

#371f36 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #371f36
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 #371f36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/371f36-c19fbb-8fcb62-2d1f26-eee9f1?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