Color

#2f4b41

#2f4b41
hex#2f4b41
rgbrgb(47, 75, 65)
hslhsl(159, 23%, 24%)
oklchoklch(0.387 0.038 169.8)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0602

Colors that go with #2f4b41

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 →

#4b2f39

#2f4b33 · #2f474b

#412f4b · #4b412f

Split-complementary

Open in tool →

#4b2f47 · #4b332f

#332f4b · #4b2f39 · #474b2f

Contrast

#2f4b41 as textRatioAAAA largeAAAFix
Aaon white
9.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #518170 as the text (4.72:1)
  • AAA: use #68a18d as the text (7.07:1)
  • AA: or shift the background to #b3b3b3 (4.55:1)
  • AAA: or shift the background to #dedede (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4b41 as the background.

Brands using this color

Fonts for this mood

#2f4b41 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4b41
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 #2f4b41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4b41-a2beb8-d459c0-1f2c2d-e9f1eb?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