Color

#273135

#273135
hex#273135
rgbrgb(39, 49, 53)
hslhsl(197, 15%, 18%)
oklchoklch(0.305 0.015 224.1)
Closest name: Nightmare Fuel (#293135)Relative luminance 0.0289

Colors that go with #273135

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 →

#352b27

#273532 · #272a35

#352731 · #313527

Split-complementary

Open in tool →

#35272a · #353227

#322735 · #352b27 · #2a3527

Contrast

#273135 as textRatioAAAA largeAAAFix
Aaon white
13.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #627a84 as the text (4.64:1)
  • AAA: use #849ba4 as the text (7.21:1)
  • AA: or shift the background to #969696 (4.5:1)
  • AAA: or shift the background to #bdbdbd (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #273135 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#273135 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #273135
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 #273135 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/273135-9cb4c4-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