Color

#374e4a

#374e4a
hex#374e4a
rgbrgb(55, 78, 74)
hslhsl(170, 17%, 26%)
oklchoklch(0.404 0.029 182.9)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0676

Colors that go with #374e4a

Blue, Blush Pink and Cadet 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 →

#4e373b

#374e3f · #37464e

#4a374e · #4e4a37

Split-complementary

Open in tool →

#4e3746 · #4e3f37

#3f374e · #4e373b · #464e37

Contrast

#374e4a as textRatioAAAA largeAAAFix
Aaon white
8.93:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #597d77 as the text (4.62:1)
  • AAA: use #769e97 as the text (7.11:1)
  • AA: or shift the background to #b8b8b8 (4.5:1)
  • AAA: or shift the background to #e6e6e6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374e4a 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

#374e4a reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374e4a
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 #374e4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374e4a-a2bebd-d459a9-1f292d-e9f1ec?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