Color

#2c3d3f

#2c3d3f
hex#2c3d3f
rgbrgb(44, 61, 63)
hslhsl(186, 18%, 21%)
oklchoklch(0.346 0.022 205.2)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0423

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f2e2c

#2c3f37 · #2c343f

#3f2c3d · #3d3f2c

Split-complementary

Open in tool →

#3f2c34 · #3f372c

#372c3f · #3f2e2c · #343f2c

Contrast

#2c3d3f as textRatioAAAA largeAAAFix
Aaon white
11.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #587b7e as the text (4.55:1)
  • AAA: use #789da1 as the text (7.14:1)
  • AA: or shift the background to #a3a3a3 (4.51:1)
  • AAA: or shift the background to #cccccc (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 #2c3d3f 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

#2c3d3f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c3d3f
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 #2c3d3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c3d3f-a2b8be-df4e86-1f262d-e9f1ee?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