Color

#406d52

#406d52
hex#406d52
rgbrgb(64, 109, 82)
hslhsl(144, 26%, 34%)
oklchoklch(0.494 0.066 156.6)
Closest name: Forest Serenade (#336644)Relative luminance 0.1264

Colors that go with #406d52

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 #406d52

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d405b

#456d40 · #406d69

#52406d · #6d5240

Split-complementary

Open in tool →

#69406d · #6d4045

#40456d · #6d405b · #6d6940

Contrast

#406d52 as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #396049 as the text (7.13:1)
Aaon black
3.53:1failpassfail
  • AA: use #4b8161 as the text (4.61:1)
  • AAA: use #62a37c as the text (7.05:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406d52 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 #406d52
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 #406d52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406d52-a2beb0-ca59d4-1f2d2b-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