Color

#404572

#404572
hex#404572
rgbrgb(64, 69, 114)
hslhsl(234, 28%, 35%)
oklchoklch(0.407 0.075 277.7)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0656

Colors that go with #404572

Steel Blue, Blue and Copper 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 →

#726d40

#405e72 · #544072

#724045 · #457240

Split-complementary

Open in tool →

#725440 · #5e7240

#72405e · #726d40 · #407254

Contrast

#404572 as textRatioAAAA largeAAAFix
Aaon white
9.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #6c73ac as the text (4.69:1)
  • AAA: use #9095c1 as the text (7.25:1)
  • AA: or shift the background to #b8b8b8 (4.58:1)
  • AAA: or shift the background to #e3e3e3 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404572 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #404572
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 #404572 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404572-9d9cc4-df8a4e-241f2d-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