Color

#182e90

#182e90
hex#182e90
rgbrgb(24, 46, 144)
hslhsl(229, 71%, 33%)
oklchoklch(0.358 0.163 267.1)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0416

Colors that go with #182e90

Charcoal, 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 →

#907a18

#186a90 · #3e1890

#90182e · #2e9018

Split-complementary

Open in tool →

#903e18 · #6a9018

#90186a · #907a18 · #18903e

Contrast

#182e90 as textRatioAAAA largeAAAFix
Aaon white
11.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #516be1 as the text (4.54:1)
  • AAA: use #7c90e9 as the text (7.02:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #182e90 as the background.

Brands using this color

Fonts for this mood

#182e90 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #182e90
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 #182e90 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/182e90-9c9fc4-df7e4e-231f2d-e9eef1?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