Color

#406d54

#406d54
hex#406d54
rgbrgb(64, 109, 84)
hslhsl(147, 26%, 34%)
oklchoklch(0.494 0.064 158.6)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1267

Colors that go with #406d54

Charcoal, Medium Violet Red 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 #406d54

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d4059

#426d40 · #406d6b

#54406d · #6d5440

Split-complementary

Open in tool →

#6b406d · #6d4042

#40426d · #6d4059 · #6d6b40

Contrast

#406d54 as textRatioAAAA largeAAAFix
Aaon white
5.94:1passpassfail
  • AAA: use #39604b as the text (7.12:1)
Aaon black
3.53:1failpassfail
  • AA: use #4b8163 as the text (4.62:1)
  • AAA: use #62a37f as the text (7.06:1)
  • AA: or shift the background to #e0e0e0 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406d54 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 #406d54
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 #406d54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406d54-a2beb2-d059d4-1f2d2c-eaf1e9?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