Color

#40676d

#40676d
hex#40676d
rgbrgb(64, 103, 109)
hslhsl(188, 26%, 34%)
oklchoklch(0.487 0.045 208.1)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1189

Colors that go with #40676d

Charcoal, Sienna 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d4640

#406d5d · #40516d

#6d4067 · #676d40

Split-complementary

Open in tool →

#6d4051 · #6d5d40

#5d406d · #6d4640 · #516d40

Contrast

#40676d as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #3a5e64 as the text (7.08:1)
Aaon black
3.38:1failpassfail
  • AA: use #4d7c84 as the text (4.53:1)
  • AAA: use #689ea6 as the text (7.03:1)
  • AA: or shift the background to #dedede (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40676d 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 #40676d
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 #40676d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40676d-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