Color

#40685a

#40685a
hex#40685a
rgbrgb(64, 104, 90)
hslhsl(159, 24%, 33%)
oklchoklch(0.483 0.051 170)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1173

Colors that go with #40685a

Charcoal, Cadet Blue and Champagne 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 #40685a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#68404e

#406846 · #406268

#5a4068 · #685a40

Split-complementary

Open in tool →

#684062 · #684640

#464068 · #68404e · #626840

Contrast

#40685a as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
  • AAA: use #3a5f52 as the text (7.15:1)
Aaon black
3.35:1failpassfail
  • AA: use #4e7e6d as the text (4.53:1)
  • AAA: use #67a28d as the text (7.13:1)
  • AA: or shift the background to #dbdbdb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40685a 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 #40685a
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 #40685a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40685a-a2beb8-d459c0-1f2c2d-e9f1eb?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