Color

#3d4c4d

#3d4c4d
hex#3d4c4d
rgbrgb(61, 76, 77)
hslhsl(184, 12%, 27%)
oklchoklch(0.404 0.019 201.4)
Closest name: Ancient Pine (#444b43)Relative luminance 0.067

Colors that go with #3d4c4d

Blue, Blush Pink and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d3e3d

#3d4d46 · #3d444d

#4d3d4c · #4c4d3d

Split-complementary

Open in tool →

#4d3d44 · #4d463d

#463d4d · #4d3e3d · #444d3d

Contrast

#3d4c4d as textRatioAAAA largeAAAFix
Aaon white
8.98:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #60797b as the text (4.52:1)
  • AAA: use #819a9c as the text (7.04:1)
  • AA: or shift the background to #b8b8b8 (4.53:1)
  • AAA: or shift the background to #e6e6e6 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d4c4d 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

#3d4c4d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d4c4d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3d4c4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d4c4d-a2b9be-df4e8a-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