Color

#2f393c

#2f393c
hex#2f393c
rgbrgb(47, 57, 60)
hslhsl(194, 12%, 21%)
oklchoklch(0.337 0.014 217.8)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0386

Colors that go with #2f393c

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 →

#3c322f

#2f3c39 · #2f333c

#3c2f39 · #393c2f

Split-complementary

Open in tool →

#3c2f33 · #3c392f

#392f3c · #3c322f · #333c2f

Contrast

#2f393c as textRatioAAAA largeAAAFix
Aaon white
11.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #657a81 as the text (4.65:1)
  • AAA: use #879ba1 as the text (7.23:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f393c 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

#2f393c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f393c
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 #2f393c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f393c-9cb6c4-df4e72-1f242d-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