Color

#39393c

#39393c
hex#39393c
rgbrgb(57, 57, 60)
hslhsl(240, 3%, 23%)
oklchoklch(0.346 0.005 286.1)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0412

Colors that go with #39393c

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 →

#3c3c39

#393b3c · #3b393c

#3c3939 · #393c39

Split-complementary

Open in tool →

#3c3b39 · #3b3c39

#3c393b · #3c3c39 · #393c3b

Contrast

#39393c as textRatioAAAA largeAAAFix
Aaon white
11.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #74747b as the text (4.53:1)
  • AAA: use #96969c as the text (7.14:1)
  • AA: or shift the background to #a3a3a3 (4.56:1)
  • AAA: or shift the background to #cccccc (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39393c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#39393c reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39393c
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 #39393c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39393c-a2beb0-c859d4-1f2d2b-eaf1e9?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