Color

#1f331f

#1f331f
hex#1f331f
rgbrgb(31, 51, 31)
hslhsl(120, 24%, 16%)
oklchoklch(0.298 0.044 144.4)
Closest name: Darkest Forest (#223311)Relative luminance 0.0276

Colors that go with #1f331f

Dark Olive Green, Sienna and Steel 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.

Real palettes that use #1f331f

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#331f33

#29331f · #1f3329

#1f1f33 · #331f1f

Split-complementary

Open in tool →

#291f33 · #331f29

#1f2933 · #331f33 · #33291f

Contrast

#1f331f as textRatioAAAA largeAAAFix
Aaon white
13.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #4f824f as the text (4.64:1)
  • AAA: use #6aa46a as the text (7.13:1)
  • AA: or shift the background to #969696 (4.58:1)
  • AAA: or shift the background to #bdbdbd (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 #1f331f 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

#1f331f reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f331f
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 #1f331f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f331f-a2bea5-994edf-1f2d25-edf1e9?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