Color

#47637b

#47637b
hex#47637b
rgbrgb(71, 99, 123)
hslhsl(208, 27%, 38%)
oklchoklch(0.487 0.051 245)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1169

Colors that go with #47637b

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 →

#7b5f47

#477b79 · #47487b

#7b4763 · #637b47

Split-complementary

Open in tool →

#7b4748 · #7b7947

#79477b · #7b5f47 · #487b47

Contrast

#47637b as textRatioAAAA largeAAAFix
Aaon white
6.29:1passpassfail
  • AAA: use #415b71 as the text (7.1:1)
Aaon black
3.34:1failpassfail
  • AA: use #577a98 as the text (4.64:1)
  • AAA: use #7d9bb5 as the text (7.23:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #47637b as the background.

Brands using this color

mcpConnect your agent — build around #47637b
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 #47637b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/47637b-9cadc4-df4e51-1f212d-e9f1f1?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