Color

#436689

#436689
hex#436689
rgbrgb(67, 102, 137)
hslhsl(210, 34%, 40%)
oklchoklch(0.499 0.069 249.4)
Closest name: Admiral Blue (#50647f)Relative luminance 0.125

Colors that go with #436689

Charcoal, Sienna and Amber 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 →

#896643

#438989 · #434389

#894366 · #668943

Split-complementary

Open in tool →

#894343 · #898943

#894389 · #896643 · #438943

Contrast

#436689 as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #3b5978 as the text (7.28:1)
Aaon black
3.5:1failpassfail
  • AA: use #4f78a1 as the text (4.53:1)
  • AAA: use #7699bc as the text (7.05:1)
  • AA: or shift the background to #e0e0e0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #436689 as the background.

Brands using this color

mcpConnect your agent — build around #436689
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 #436689 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/436689-9cabc4-df514e-1f202d-e9f1f1?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