Color

#184358

#184358
hex#184358
rgbrgb(24, 67, 88)
hslhsl(200, 57%, 22%)
oklchoklch(0.363 0.059 233)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0491

Colors that go with #184358

Crimson, Royal Blue and Teal 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 →

#582d18

#18584d · #182358

#581843 · #435818

Split-complementary

Open in tool →

#581823 · #584d18

#4d1858 · #582d18 · #235818

Contrast

#184358 as textRatioAAAA largeAAAFix
Aaon white
10.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #2d7ca4 as the text (4.53:1)
  • AAA: use #47a0cd as the text (7.18:1)
  • AA: or shift the background to #ababab (4.61:1)
  • AAA: or shift the background to #d4d4d4 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #184358 as the background.

Brands using this color

Fonts for this mood

#184358 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #184358
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 #184358 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/184358-9cb2c4-df4e64-1f232d-e9f1f0?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