Color

#2f3733

#2f3733
hex#2f3733
rgbrgb(47, 55, 51)
hslhsl(150, 8%, 20%)
oklchoklch(0.328 0.013 164.1)
Closest name: Aztec (#293432)Relative luminance 0.0358

Tints & shades

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

Harmonies

Complementary

Open in tool →

#372f33

#2f372f · #2f3737

#332f37 · #37332f

Split-complementary

Open in tool →

#372f37 · #372f2f

#2f2f37 · #372f33 · #37372f

Contrast

#2f3733 as textRatioAAAA largeAAAFix
Aaon white
12.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #677970 as the text (4.55:1)
  • AAA: use #899a91 as the text (7.09:1)
  • AA: or shift the background to #9e9e9e (4.57:1)
  • AAA: or shift the background to #c4c4c4 (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 #2f3733 as the background.

Brands using this color

Fonts for this mood

#2f3733 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3733
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 #2f3733 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3733-a2beb3-d459d2-1f2d2c-e9f1ea?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