Color

#391e2f

#391e2f
hex#391e2f
rgbrgb(57, 30, 47)
hslhsl(322, 31%, 17%)
oklchoklch(0.278 0.05 342.5)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.02

Colors that go with #391e2f

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 →

#1e3928

#351e39 · #391e21

#2f391e · #1e2f39

Split-complementary

Open in tool →

#21391e · #1e3935

#39351e · #1e3928 · #1e2139

Contrast

#391e2f as textRatioAAAA largeAAAFix
Aaon white
14.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #a95b8c as the text (4.56:1)
  • AAA: use #be83a8 as the text (7:1)
  • AA: or shift the background to #8f8f8f (4.64:1)
  • AAA: or shift the background to #b3b3b3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #391e2f 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

#391e2f reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #391e2f
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 #391e2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/391e2f-c19fb1-6ecb62-2d1f22-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