Color

#184658

#184658
hex#184658
rgbrgb(24, 70, 88)
hslhsl(197, 57%, 22%)
oklchoklch(0.371 0.058 227.5)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0528

Colors that go with #184658

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 →

#582a18

#18584a · #182658

#581846 · #465818

Split-complementary

Open in tool →

#581826 · #584a18

#4a1858 · #582a18 · #265818

Contrast

#184658 as textRatioAAAA largeAAAFix
Aaon white
10.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #2c7fa0 as the text (4.65:1)
  • AAA: use #3ba1c9 as the text (7.13:1)
  • AA: or shift the background to #adadad (4.55:1)
  • AAA: or shift the background to #d6d6d6 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #184658 as the background.

Brands using this color

Fonts for this mood

#184658 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #184658
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 #184658 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/184658-9cb4c4-df4e6b-1f232d-e9f1ef?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