Color

#381f38

#381f38
hex#381f38
rgbrgb(56, 31, 56)
hslhsl(300, 29%, 17%)
oklchoklch(0.283 0.056 326.9)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0211

Colors that go with #381f38

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 →

#1f381f

#2b1f38 · #381f2b

#38381f · #1f3838

Split-complementary

Open in tool →

#2b381f · #1f382b

#382b1f · #1f381f · #1f2b38

Contrast

#381f38 as textRatioAAAA largeAAAFix
Aaon white
14.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #a45ba4 as the text (4.61:1)
  • AAA: use #bc85bc as the text (7.22:1)
  • AA: or shift the background to #8f8f8f (4.57:1)
  • AAA: or shift the background to #b3b3b3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #381f38 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

#381f38 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #381f38
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 #381f38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/381f38-c19fbd-95cb62-2d1f27-ede9f1?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