Color

#406372

#406372
hex#406372
rgbrgb(64, 99, 114)
hslhsl(198, 28%, 35%)
oklchoklch(0.479 0.047 226.8)
Closest name: Atlantis (#336172)Relative luminance 0.1123

Colors that go with #406372

Charcoal, Steel Blue and Sienna 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 →

#724f40

#407268 · #404a72

#724063 · #637240

Split-complementary

Open in tool →

#72404a · #726840

#684072 · #724f40 · #4a7240

Contrast

#406372 as textRatioAAAA largeAAAFix
Aaon white
6.47:1passpassfail
  • AAA: use #3b5b68 as the text (7.29:1)
Aaon black
3.25:1failpassfail
  • AA: use #517d90 as the text (4.69:1)
  • AAA: use #739eb0 as the text (7.25:1)
  • AA: or shift the background to #d9d9d9 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406372 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 #406372
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 #406372 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406372-9cb3c4-df4e69-1f232d-e9f1f0?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