Color

#173163

#173163
hex#173163
rgbrgb(23, 49, 99)
hslhsl(219, 62%, 24%)
oklchoklch(0.323 0.094 261.9)
Closest name: Marine (#042e60)Relative luminance 0.0328

Colors that go with #173163

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 →

#634917

#175863 · #231763

#631732 · #326317

Split-complementary

Open in tool →

#632317 · #586317

#631758 · #634917 · #176323

Contrast

#173163 as textRatioAAAA largeAAAFix
Aaon white
12.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #4174d2 as the text (4.65:1)
  • AAA: use #6e95dd as the text (7.01:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (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 #173163 as the background.

Brands using this color

Fonts for this mood

#173163 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #173163
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 #173163 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/173163-9ca5c4-df664e-211f2d-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