Color

#18506d

#18506d
hex#18506d
rgbrgb(24, 80, 109)
hslhsl(200, 64%, 26%)
oklchoklch(0.409 0.075 235.7)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0704

Colors that go with #18506d

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 →

#6d3418

#186d5f · #18266d

#6d1850 · #506d18

Split-complementary

Open in tool →

#6d1826 · #6d5f18

#5f186d · #6d3418 · #266d18

Contrast

#18506d as textRatioAAAA largeAAAFix
Aaon white
8.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #257ca7 as the text (4.52:1)
  • AAA: use #369fd3 as the text (7.06:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18506d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#18506d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18506d
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 #18506d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18506d-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