Color

#394347

#394347
hex#394347
rgbrgb(57, 67, 71)
hslhsl(197, 11%, 25%)
oklchoklch(0.375 0.015 223.9)
Closest name: Arsenic (#3b444b)Relative luminance 0.0534

Colors that go with #394347

Blue, Blush Pink and Burlywood 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.

Real palettes that use #394347

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#473d39

#394744 · #393c47

#473943 · #434739

Split-complementary

Open in tool →

#47393c · #474439

#443947 · #473d39 · #3c4739

Contrast

#394347 as textRatioAAAA largeAAAFix
Aaon white
10.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #66787f as the text (4.56:1)
  • AAA: use #8899a0 as the text (7.11:1)
  • AA: or shift the background to #adadad (4.53:1)
  • AAA: or shift the background to #d9d9d9 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #394347 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

#394347 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #394347
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 #394347 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/394347-9cb4c4-df4e6b-1f232d-e9f1ef?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