Color

#2d3949

#2d3949
hex#2d3949
rgbrgb(45, 57, 73)
hslhsl(214, 24%, 23%)
oklchoklch(0.341 0.033 255.7)
Closest name: Astral Nomad (#203943)Relative luminance 0.0397

Colors that go with #2d3949

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 →

#493d2d

#2d4749 · #2e2d49

#492d39 · #39492d

Split-complementary

Open in tool →

#492e2d · #47492d

#492d47 · #493d2d · #2d492e

Contrast

#2d3949 as textRatioAAAA largeAAAFix
Aaon white
11.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #5d7698 as the text (4.51:1)
  • AAA: use #8498b3 as the text (7.12:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d3949 as the background.

Brands using this color

Fonts for this mood

#2d3949 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d3949
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 #2d3949 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d3949-9ca9c4-df5a4e-1f1f2d-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