Color

#182b67

#182b67
hex#182b67
rgbrgb(24, 43, 103)
hslhsl(226, 62%, 25%)
oklchoklch(0.313 0.108 266.7)
Closest name: Marine (#042e60)Relative luminance 0.029

Colors that go with #182b67

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 →

#675518

#185267 · #2d1867

#67182b · #2b6718

Split-complementary

Open in tool →

#672d18 · #526718

#671852 · #675518 · #18672d

Contrast

#182b67 as textRatioAAAA largeAAAFix
Aaon white
13.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #5170d6 as the text (4.64:1)
  • AAA: use #7b92e0 as the text (7.03:1)
  • AA: or shift the background to #999999 (4.66:1)
  • AAA: or shift the background to #bdbdbd (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #182b67 as the background.

Brands using this color

Fonts for this mood

#182b67 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #182b67
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 #182b67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/182b67-9ca1c4-df774e-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