Color

#381d01

#381d01
hex#381d01
rgbrgb(56, 29, 1)
hslhsl(31, 96%, 11%)
oklchoklch(0.262 0.059 62.7)
Closest name: Close but No Cigar (#361d0a)Relative luminance 0.0172

Colors that go with #381d01

Blue Violet, Charcoal and Royal Blue 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 →

#011b37

#370201 · #363701

#01371d · #1d0137

Split-complementary

Open in tool →

#013637 · #020137

#013702 · #011b37 · #370136

Contrast

#381d01 as textRatioAAAA largeAAAFix
Aaon white
15.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #b45f04 as the text (4.58:1)
  • AAA: use #e67905 as the text (7.1:1)
  • AA: or shift the background to #8a8a8a (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #381d01 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

#381d01 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #381d01
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 #381d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/381d01-c4b59c-62c7cb-2d2c1f-f1eae9?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