Color

#40616d

#40616d
hex#40616d
rgbrgb(64, 97, 109)
hslhsl(196, 26%, 34%)
oklchoklch(0.472 0.043 222.8)
Closest name: Atlantis (#336172)Relative luminance 0.1074

Colors that go with #40616d

Steel Blue, Sienna and 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 →

#6d4c40

#406d63 · #404b6d

#6d4061 · #616d40

Split-complementary

Open in tool →

#6d404b · #6d6340

#63406d · #6d4c40 · #4b6d40

Contrast

#40616d as textRatioAAAA largeAAAFix
Aaon white
6.67:1passpassfail
  • AAA: use #3c5c67 as the text (7.19:1)
Aaon black
3.15:1failpassfail
  • AA: use #517b8a as the text (4.55:1)
  • AAA: use #729cac as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40616d 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 #40616d
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 #40616d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40616d-9cb5c4-df4e6e-1f232d-e9f1ef?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