Color

#173463

#173463
hex#173463
rgbrgb(23, 52, 99)
hslhsl(217, 62%, 24%)
oklchoklch(0.331 0.09 259.6)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0354

Colors that go with #173463

Sea Green, Steel Blue and Sienna 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 →

#634617

#175a63 · #201763

#631734 · #346317

Split-complementary

Open in tool →

#632017 · #5a6317

#63175a · #634617 · #176320

Contrast

#173463 as textRatioAAAA largeAAAFix
Aaon white
12.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #3973d0 as the text (4.54:1)
  • AAA: use #6a96dc as the text (7.01:1)
  • AA: or shift the background to #9e9e9e (4.59:1)
  • AAA: or shift the background to #c4c4c4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #173463 as the background.

Brands using this color

Fonts for this mood

#173463 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #173463
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 #173463 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/173463-9ca7c4-df624e-201f2d-e9f0f1?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