Color

#173192

#173192
hex#173192
rgbrgb(23, 49, 146)
hslhsl(227, 73%, 33%)
oklchoklch(0.366 0.162 266.2)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0445

Colors that go with #173192

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 →

#927717

#176f92 · #3a1792

#921731 · #319217

Split-complementary

Open in tool →

#923a17 · #6f9217

#92176f · #927717 · #17923a

Contrast

#173192 as textRatioAAAA largeAAAFix
Aaon white
11.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #4a6be3 as the text (4.5:1)
  • AAA: use #7b93ea as the text (7.2:1)
  • AA: or shift the background to #a6a6a6 (4.56:1)
  • AAA: or shift the background to #cfcfcf (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #173192 as the background.

Brands using this color

Fonts for this mood

#173192 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #173192
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 #173192 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/173192-9ca0c4-df7a4e-221f2d-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