Color

#185d5d

#185d5d
hex#185d5d
rgbrgb(24, 93, 93)
hslhsl(180, 59%, 23%)
oklchoklch(0.437 0.066 195)
Closest name: Mosque (#005f5b)Relative luminance 0.0881

Colors that go with #185d5d

Crimson, Blue 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.

Real palettes that use #185d5d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d1818

#185d3b · #183b5d

#5d185d · #5d5d18

Split-complementary

Open in tool →

#5d183b · #5d3b18

#3b185d · #5d1818 · #3b5d18

Contrast

#185d5d as textRatioAAAA largeAAAFix
Aaon white
7.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #218282 as the text (4.58:1)
  • AAA: use #2ba6a6 as the text (7.11:1)
  • AA: or shift the background to #c9c9c9 (4.59:1)
  • AAA: or shift the background to #f7f7f7 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #185d5d as the background.

Brands using this color

Fonts for this mood

#185d5d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #185d5d
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 #185d5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/185d5d-a2bbbe-d45994-1f272d-e9f1ed?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