Color

#2d4d52

#2d4d52
hex#2d4d52
rgbrgb(45, 77, 82)
hslhsl(188, 29%, 25%)
oklchoklch(0.398 0.039 208.3)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0647

Colors that go with #2d4d52

Steel Blue, Teal 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 →

#52322d

#2d5245 · #2d3b52

#522d4d · #4d522d

Split-complementary

Open in tool →

#522d3b · #52452d

#452d52 · #52322d · #3b522d

Contrast

#2d4d52 as textRatioAAAA largeAAAFix
Aaon white
9.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #4a7f87 as the text (4.68:1)
  • AAA: use #619fa8 as the text (7.03:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d4d52 as the background.

Brands using this color

Fonts for this mood

#2d4d52 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d4d52
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 #2d4d52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d4d52-a2b7be-df4e81-1f252d-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