Color

#381a2a

#381a2a
hex#381a2a
rgbrgb(56, 26, 42)
hslhsl(328, 37%, 16%)
oklchoklch(0.266 0.053 348.1)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.0175

Colors that go with #381a2a

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 →

#1a3828

#371a38 · #381a1b

#2a381a · #1a2a38

Split-complementary

Open in tool →

#1b381a · #1a3837

#38371a · #1a3828 · #1a1b38

Contrast

#381a2a as textRatioAAAA largeAAAFix
Aaon white
15.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #b25788 as the text (4.61:1)
  • AAA: use #c581a5 as the text (7.06:1)
  • AA: or shift the background to #8a8a8a (4.51:1)
  • AAA: or shift the background to #b0b0b0 (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 #381a2a 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

#381a2a reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #381a2a
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 #381a2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/381a2a-c19fad-64cb62-2d1f21-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