Color

#2f4b40

#2f4b40
hex#2f4b40
rgbrgb(47, 75, 64)
hslhsl(156, 23%, 24%)
oklchoklch(0.387 0.039 167.7)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0601

Colors that go with #2f4b40

Sea Green, Teal and 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 →

#4b2f3a

#2f4b32 · #2f484b

#402f4b · #4b402f

Split-complementary

Open in tool →

#4b2f48 · #4b322f

#322f4b · #4b2f3a · #484b2f

Contrast

#2f4b40 as textRatioAAAA largeAAAFix
Aaon white
9.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #51816d as the text (4.71:1)
  • AAA: use #68a18a as the text (7.05:1)
  • AA: or shift the background to #b3b3b3 (4.55:1)
  • AAA: or shift the background to #dedede (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4b40 as the background.

Brands using this color

Fonts for this mood

#2f4b40 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4b40
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 #2f4b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4b40-a2beb6-d459c6-1f2d2d-e9f1ea?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