Color

#391e2e

#391e2e
hex#391e2e
rgbrgb(57, 30, 46)
hslhsl(324, 31%, 17%)
oklchoklch(0.278 0.049 344.3)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.02

Colors that go with #391e2e

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 →

#1e3929

#361e39 · #391e21

#2e391e · #1e2e39

Split-complementary

Open in tool →

#21391e · #1e3936

#39361e · #1e3929 · #1e2139

Contrast

#391e2e as textRatioAAAA largeAAAFix
Aaon white
15.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #a95b8a as the text (4.55:1)
  • AAA: use #c087a9 as the text (7.28:1)
  • AA: or shift the background to #8f8f8f (4.64:1)
  • 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 #391e2e 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

#391e2e reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #391e2e
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 #391e2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/391e2e-c19faf-6bcb62-2d1f22-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