Color

#2f374c

#2f374c
hex#2f374c
rgbrgb(47, 55, 76)
hslhsl(223, 24%, 24%)
oklchoklch(0.339 0.039 268.2)
Closest name: Astral Nomad (#203943)Relative luminance 0.0386

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4c442f

#2f464c · #352f4c

#4c2f37 · #374c2f

Split-complementary

Open in tool →

#4c352f · #464c2f

#4c2f46 · #4c442f · #2f4c35

Contrast

#2f374c as textRatioAAAA largeAAAFix
Aaon white
11.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #6475a0 as the text (4.59:1)
  • AAA: use #8a97b7 as the text (7.19:1)
  • AA: or shift the background to #a1a1a1 (4.59:1)
  • AAA: or shift the background to #c7c7c7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f374c 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

#2f374c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f374c
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 #2f374c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f374c-9ca3c4-df704e-211f2d-e9eff1?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