Color

#353f40

#353f40
hex#353f40
rgbrgb(53, 63, 64)
hslhsl(185, 9%, 23%)
oklchoklch(0.359 0.013 203.9)
Closest name: Black Olive (#3b3c36)Relative luminance 0.0468

Colors that go with #353f40

Amber, Blue and Blush Pink 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 →

#403635

#35403c · #353a40

#40353f · #3f4035

Split-complementary

Open in tool →

#40353a · #403c35

#3c3540 · #403635 · #3a4035

Contrast

#353f40 as textRatioAAAA largeAAAFix
Aaon white
10.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #66797a as the text (4.58:1)
  • AAA: use #879a9b as the text (7.13:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #353f40 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

#353f40 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353f40
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 #353f40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353f40-a2b8be-df4e88-1f262d-e9f1ee?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