Color

#406d67

#406d67
hex#406d67
rgbrgb(64, 109, 103)
hslhsl(172, 26%, 34%)
oklchoklch(0.5 0.051 184.9)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1301

Colors that go with #406d67

Charcoal, Champagne 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 →

#6d4046

#406d51 · #405d6d

#67406d · #6d6740

Split-complementary

Open in tool →

#6d405d · #6d5140

#51406d · #6d4046 · #5d6d40

Contrast

#406d67 as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
Aaon black
3.6:1failpassfail
  • AA: use #4b8179 as the text (4.72:1)
  • AAA: use #5ea198 as the text (7.03:1)
  • AA: or shift the background to #e3e3e3 (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 #406d67 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 #406d67
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 #406d67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406d67-a2bebe-d459a5-1f292d-e9f1ec?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