Color

#2f3841

#2f3841
hex#2f3841
rgbrgb(47, 56, 65)
hslhsl(210, 16%, 22%)
oklchoklch(0.336 0.02 248.4)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0381

Colors that go with #2f3841

Amber, Blue and Blush Pink 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 →

#41382f

#2f4141 · #2f2f41

#412f38 · #38412f

Split-complementary

Open in tool →

#412f2f · #41412f

#412f41 · #41382f · #2f412f

Contrast

#2f3841 as textRatioAAAA largeAAAFix
Aaon white
11.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #65788b as the text (4.61:1)
  • AAA: use #8999a9 as the text (7.19:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (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 #2f3841 as the background.

Brands using this color

Fonts for this mood

#2f3841 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3841
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 #2f3841 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3841-9cabc4-df514e-1f202d-e9f1f1?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