Color

#2f3f46

#2f3f46
hex#2f3f46
rgbrgb(47, 63, 70)
hslhsl(198, 20%, 23%)
oklchoklch(0.357 0.024 226.5)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#46362f

#2f4642 · #2f3446

#462f3f · #3f462f

Split-complementary

Open in tool →

#462f34 · #46422f

#422f46 · #46362f · #34462f

Contrast

#2f3f46 as textRatioAAAA largeAAAFix
Aaon white
10.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #5a7987 as the text (4.52:1)
  • AAA: use #7b9aa7 as the text (7.02:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f3f46 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

#2f3f46 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3f46
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 #2f3f46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3f46-9cb3c4-df4e69-1f232d-e9f1f0?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