Color

#184e53

#184e53
hex#184e53
rgbrgb(24, 78, 83)
hslhsl(185, 55%, 21%)
oklchoklch(0.391 0.056 203.8)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0627

Colors that go with #184e53

Crimson, Steel Blue and 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 #184e53

Tints & shades

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

Harmonies

Complementary

Open in tool →

#531d18

#18533a · #183153

#53184e · #4e5318

Split-complementary

Open in tool →

#531831 · #533a18

#3a1853 · #531d18 · #315318

Contrast

#184e53 as textRatioAAAA largeAAAFix
Aaon white
9.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #28828a as the text (4.65:1)
  • AAA: use #32a4ae as the text (7.06:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #184e53 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#184e53 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #184e53
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 #184e53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/184e53-a2b8be-df4e88-1f262d-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