Color

#2c3949

#2c3949
hex#2c3949
rgbrgb(44, 57, 73)
hslhsl(213, 25%, 23%)
oklchoklch(0.34 0.033 253.9)
Closest name: Astral Nomad (#203943)Relative luminance 0.0394

Colors that go with #2c3949

Dark Olive Green, Sea Green and Sienna 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 →

#493c2c

#2c4849 · #2d2c49

#492c39 · #39492c

Split-complementary

Open in tool →

#492d2c · #48492c

#492c48 · #493c2c · #2c492d

Contrast

#2c3949 as textRatioAAAA largeAAAFix
Aaon white
11.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #5c7799 as the text (4.55:1)
  • AAA: use #8399b4 as the text (7.18:1)
  • AA: or shift the background to #a1a1a1 (4.54:1)
  • AAA: or shift the background to #c9c9c9 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c3949 as the background.

Brands using this color

Fonts for this mood

#2c3949 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c3949
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 #2c3949 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c3949-9ca9c4-df584e-1f202d-e9f0f1?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