Color

#183467

#183467
hex#183467
rgbrgb(24, 52, 103)
hslhsl(219, 62%, 25%)
oklchoklch(0.334 0.096 261.2)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0363

Colors that go with #183467

Sea Green, 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 →

#674c18

#185b67 · #241867

#671834 · #346718

Split-complementary

Open in tool →

#672418 · #5b6718

#67185b · #674c18 · #186724

Contrast

#183467 as textRatioAAAA largeAAAFix
Aaon white
12.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #4174d2 as the text (4.65:1)
  • AAA: use #6e95dd as the text (7.01:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183467 as the background.

Brands using this color

Fonts for this mood

#183467 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #183467
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 #183467 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/183467-9ca5c4-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