Color

#47556c

#47556c
hex#47556c
rgbrgb(71, 85, 108)
hslhsl(217, 21%, 35%)
oklchoklch(0.447 0.042 260.2)
Closest name: Black Orchid (#525463)Relative luminance 0.0892

Colors that go with #47556c

Sienna, Blue 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 #47556c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6c5e47

#47686c · #4b476c

#6c4755 · #556c47

Split-complementary

Open in tool →

#6c4b47 · #686c47

#6c4768 · #6c5e47 · #476c4b

Contrast

#47556c as textRatioAAAA largeAAAFix
Aaon white
7.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #637797 as the text (4.62:1)
  • AAA: use #8797b0 as the text (7.08:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #47556c as the background.

Brands using this color

mcpConnect your agent — build around #47556c
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 #47556c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/47556c-9ca7c4-df624e-201f2d-e9f0f1?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