Color

#374e47

#374e47
hex#374e47
rgbrgb(55, 78, 71)
hslhsl(162, 17%, 26%)
oklchoklch(0.403 0.031 173.9)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0672

Colors that go with #374e47

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 →

#4e373e

#374e3c · #37494e

#47374e · #4e4737

Split-complementary

Open in tool →

#4e3749 · #4e3c37

#3c374e · #4e373e · #494e37

Contrast

#374e47 as textRatioAAAA largeAAAFix
Aaon white
8.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #597d72 as the text (4.6:1)
  • AAA: use #769e92 as the text (7.08:1)
  • AA: or shift the background to #b8b8b8 (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374e47 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

#374e47 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374e47
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 #374e47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374e47-a2beb9-d459b9-1f2b2d-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