Color

#2f3d3d

#2f3d3d
hex#2f3d3d
rgbrgb(47, 61, 61)
hslhsl(180, 13%, 21%)
oklchoklch(0.348 0.018 196.3)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0428

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3d2f2f

#2f3d36 · #2f363d

#3d2f3d · #3d3d2f

Split-complementary

Open in tool →

#3d2f36 · #3d362f

#362f3d · #3d2f2f · #363d2f

Contrast

#2f3d3d as textRatioAAAA largeAAAFix
Aaon white
11.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #5f7c7c as the text (4.66:1)
  • AAA: use #7d9b9b as the text (7.03:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f3d3d 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

#2f3d3d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3d3d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2f3d3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3d3d-a2bbbe-d45994-1f272d-e9f1ed?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