Color

#72879d

#72879d
hex#72879d
rgbrgb(114, 135, 157)
hslhsl(211, 18%, 53%)
oklchoklch(0.615 0.041 249.7)
Closest name: lightslategray (#778899)Relative luminance 0.2334

Colors that go with #72879d

Charcoal, Copper and Champagne 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 →

#9d8872

#729c9d · #72729d

#9d7286 · #869d72

Split-complementary

Open in tool →

#9d7272 · #9c9d72

#9d729c · #9d8872 · #729d72

Contrast

#72879d as textRatioAAAA largeAAAFix
Aaon white
3.71:1failpassfail
  • AA: use #62778d as the text (4.62:1)
  • AAA: use #495969 as the text (7.2:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.67:1passpassfail
  • AAA: use #8798ab as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #72879d as the background.

Brands using this color

mcpConnect your agent — build around #72879d
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 #72879d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/72879d-9cabc4-df534e-1f202d-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