Color

#2f424b

#2f424b
hex#2f424b
rgbrgb(47, 66, 75)
hslhsl(199, 23%, 24%)
oklchoklch(0.367 0.029 228.8)
Closest name: Arsenic (#3b444b)Relative luminance 0.0501

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b382f

#2f4b46 · #2f344b

#4b2f42 · #424b2f

Split-complementary

Open in tool →

#4b2f34 · #4b462f

#462f4b · #4b382f · #344b2f

Contrast

#2f424b as textRatioAAAA largeAAAFix
Aaon white
10.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #567a8a as the text (4.55:1)
  • AAA: use #789bab as the text (7.08:1)
  • AA: or shift the background to #ababab (4.57:1)
  • AAA: or shift the background to #d4d4d4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f424b 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

#2f424b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f424b
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 #2f424b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f424b-9cb3c4-df4e66-1f232d-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