Color

#334d42

#334d42
hex#334d42
rgbrgb(51, 77, 66)
hslhsl(155, 20%, 25%)
oklchoklch(0.395 0.037 166.3)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.064

Colors that go with #334d42

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 →

#4d333e

#334d35 · #334a4d

#42334d · #4d4233

Split-complementary

Open in tool →

#4d334a · #4d3533

#35334d · #4d333e · #4a4d33

Contrast

#334d42 as textRatioAAAA largeAAAFix
Aaon white
9.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #547d6c as the text (4.53:1)
  • AAA: use #6f9f8b as the text (7.01:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #334d42 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

#334d42 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #334d42
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 #334d42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/334d42-a2beb6-d459c8-1f2d2d-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