Color

#391e2c

#391e2c
hex#391e2c
rgbrgb(57, 30, 44)
hslhsl(329, 31%, 17%)
oklchoklch(0.277 0.047 348.2)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.0198

Colors that go with #391e2c

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 →

#1e392b

#381e39 · #391e1e

#2c391e · #1e2c39

Split-complementary

Open in tool →

#1e391e · #1e3938

#39381e · #1e392b · #1e1e39

Contrast

#391e2c as textRatioAAAA largeAAAFix
Aaon white
15.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #a95b83 as the text (4.51:1)
  • AAA: use #c087a4 as the text (7.24:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #391e2c 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

#391e2c reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #391e2c
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 #391e2c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/391e2c-c49cac-62cb62-2d1f21-f1e9f1?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