Color

#445a6f

#445a6f
hex#445a6f
rgbrgb(68, 90, 111)
hslhsl(209, 24%, 35%)
oklchoklch(0.458 0.044 247.6)
Closest name: Atlantis (#336172)Relative luminance 0.0969

Colors that go with #445a6f

Sienna, Blue and Cadet 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.

Real palettes that use #445a6f

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6f5944

#446f6e · #44456f

#6f445a · #5a6f44

Split-complementary

Open in tool →

#6f4445 · #6f6e44

#6e446f · #6f5944 · #456f44

Contrast

#445a6f as textRatioAAAA largeAAAFix
Aaon white
7.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #5b7995 as the text (4.61:1)
  • AAA: use #819ab1 as the text (7.19:1)
  • AA: or shift the background to #cfcfcf (4.59:1)
  • AAA: or shift the background to #ffffff (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #445a6f as the background.

Brands using this color

mcpConnect your agent — build around #445a6f
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 #445a6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/445a6f-9cacc4-df4e4e-1f212d-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