Color

#31171f

#31171f
hex#31171f
rgbrgb(49, 23, 31)
hslhsl(342, 36%, 14%)
oklchoklch(0.245 0.043 1.1)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0136

Colors that go with #31171f

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 →

#173129

#31172b · #311c17

#1f3117 · #171f31

Split-complementary

Open in tool →

#17311c · #172b31

#2b3117 · #173129 · #1c1731

Contrast

#31171f as textRatioAAAA largeAAAFix
Aaon white
16.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #b15973 as the text (4.55:1)
  • AAA: use #c68699 as the text (7.27:1)
  • AA: or shift the background to #878787 (4.59:1)
  • AAA: or shift the background to #ababab (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31171f 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

Fonts for this mood

#31171f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31171f
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 #31171f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31171f-c49ca3-62cb79-2d211f-f1e9ef?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