Color

#406b72

#406b72
hex#406b72
rgbrgb(64, 107, 114)
hslhsl(188, 28%, 35%)
oklchoklch(0.499 0.049 208.9)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1282

Colors that go with #406b72

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 →

#724740

#407260 · #405372

#72406c · #6c7240

Split-complementary

Open in tool →

#724053 · #726040

#604072 · #724740 · #537240

Contrast

#406b72 as textRatioAAAA largeAAAFix
Aaon white
5.89:1passpassfail
Aaon black
3.56:1failpassfail
  • AA: use #4b7e86 as the text (4.63:1)
  • AAA: use #66a0a9 as the text (7.17:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406b72 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #406b72
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 #406b72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406b72-a2b7be-df4e81-1f252d-e9f1ee?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