Color

#406877

#406877
hex#406877
rgbrgb(64, 104, 119)
hslhsl(196, 30%, 36%)
oklchoklch(0.494 0.051 223.8)
Closest name: Atlantis (#336172)Relative luminance 0.1232

Colors that go with #406877

Charcoal, Sienna and Amber 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 →

#774f40

#40776a · #404d77

#774069 · #697740

Split-complementary

Open in tool →

#77404d · #776a40

#6a4077 · #774f40 · #4d7740

Contrast

#406877 as textRatioAAAA largeAAAFix
Aaon white
6.06:1passpassfail
  • AAA: use #395d6a as the text (7.12:1)
Aaon black
3.46:1failpassfail
  • AA: use #4d7d8f as the text (4.65:1)
  • AAA: use #6d9fb0 as the text (7.24:1)
  • AA: or shift the background to #dedede (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 #406877 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 #406877
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 #406877 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/406877-9cb5c4-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