Color

#2b2b2b

#2b2b2b
hex#2b2b2b
rgbrgb(43, 43, 43)
hslhsl(0, 0%, 17%)
oklchoklch(0.289 0 0)
Closest name: Caviar (#2b2c30)Relative luminance 0.0242

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b2b2b

#2b2b2b · #2b2b2b

#2b2b2b · #2b2b2b

Split-complementary

Open in tool →

#2b2b2b · #2b2b2b

#2b2b2b · #2b2b2b · #2b2b2b

Contrast

#2b2b2b as textRatioAAAA largeAAAFix
Aaon white
14.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.48:1failfailfail
  • AA: use #757575 as the text (4.56:1)
  • AAA: use #969696 as the text (7.1:1)
  • AA: or shift the background to #949494 (4.67:1)
  • AAA: or shift the background to #b8b8b8 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b2b2b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2b2b2b reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b2b2b
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 #2b2b2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b2b2b-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