Color

#2f353c

#2f353c
hex#2f353c
rgbrgb(47, 53, 60)
hslhsl(212, 12%, 21%)
oklchoklch(0.326 0.015 252.3)
Closest name: Dark Charcoal (#333232)Relative luminance 0.0348

Colors that go with #2f353c

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 →

#3c362f

#2f3c3c · #302f3c

#3c2f35 · #353c2f

Split-complementary

Open in tool →

#3c302f · #3c3c2f

#3c2f3c · #3c362f · #2f3c30

Contrast

#2f353c as textRatioAAAA largeAAAFix
Aaon white
12.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #697786 as the text (4.58:1)
  • AAA: use #8d98a5 as the text (7.17:1)
  • AA: or shift the background to #9c9c9c (4.51:1)
  • AAA: or shift the background to #c4c4c4 (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 #2f353c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2f353c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f353c
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 #2f353c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f353c-9caac4-df564e-1f202d-e9f1f1?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