Color

#182d67

#182d67
hex#182d67
rgbrgb(24, 45, 103)
hslhsl(224, 62%, 25%)
oklchoklch(0.318 0.105 265.7)
Closest name: Atlantic Navy (#13336f)Relative luminance 0.0305

Colors that go with #182d67

Charcoal, Steel Blue and Dark Olive Green 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 →

#675218

#185567 · #2b1867

#67182d · #2d6718

Split-complementary

Open in tool →

#672b18 · #556718

#671855 · #675218 · #18672b

Contrast

#182d67 as textRatioAAAA largeAAAFix
Aaon white
13.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #4d72d5 as the text (4.68:1)
  • AAA: use #7793df as the text (7.02:1)
  • AA: or shift the background to #999999 (4.58:1)
  • AAA: or shift the background to #bfbfbf (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #182d67 as the background.

Brands using this color

Fonts for this mood

#182d67 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #182d67
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 #182d67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/182d67-9ca2c4-df724e-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