Color

#18329a

#18329a
hex#18329a
rgbrgb(24, 50, 154)
hslhsl(228, 73%, 35%)
oklchoklch(0.376 0.171 266.4)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0481

Colors that go with #18329a

Charcoal, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a8018

#18739a · #3f189a

#9a1832 · #329a18

Split-complementary

Open in tool →

#9a3f18 · #739a18

#9a1873 · #9a8018 · #189a3f

Contrast

#18329a as textRatioAAAA largeAAAFix
Aaon white
10.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #4f6ce3 as the text (4.59:1)
  • AAA: use #7b91ea as the text (7.08:1)
  • AA: or shift the background to #a8a8a8 (4.5:1)
  • AAA: or shift the background to #d1d1d1 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18329a as the background.

Brands using this color

Fonts for this mood

#18329a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18329a
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 #18329a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18329a-9c9fc4-df7c4e-231f2d-e9eff1?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