Color

#131f09

#131f09
hex#131f09
rgbrgb(19, 31, 9)
hslhsl(93, 55%, 8%)
oklchoklch(0.221 0.043 132.6)
Closest name: Nightmare (#112211)Relative luminance 0.0114

Colors that go with #131f09

Charcoal, Sea Green and Slate 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 →

#160920

#1e2009 · #09200a

#091320 · #200913

Split-complementary

Open in tool →

#0a0920 · #20091e

#091e20 · #160920 · #200a09

Contrast

#131f09 as textRatioAAAA largeAAAFix
Aaon white
17.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #508226 as the text (4.56:1)
  • AAA: use #65a630 as the text (7.05:1)
  • AA: or shift the background to #858585 (4.64:1)
  • AAA: or shift the background to #a6a6a6 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #131f09 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

#131f09 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #131f09
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 #131f09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/131f09-abbea2-584edf-202d1f-f0f1e9?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