Color

#504d9d

#504d9d
hex#504d9d
rgbrgb(80, 77, 157)
hslhsl(242, 34%, 46%)
oklchoklch(0.465 0.126 282)
Closest name: Blueberry (#464196)Relative luminance 0.0945

Colors that go with #504d9d

Charcoal, Steel Blue 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 →

#9b9d4d

#4d739d · #784d9d

#9d504d · #4d9d50

Split-complementary

Open in tool →

#9d784d · #739d4d

#9d4d73 · #9b9d4d · #4d9d78

Contrast

#504d9d as textRatioAAAA largeAAAFix
Aaon white
7.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #6f6cb7 as the text (4.5:1)
  • AAA: use #9492c9 as the text (7.21:1)
  • AA: or shift the background to #cccccc (4.53:1)
  • AAA: or shift the background to #fcfcfc (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #504d9d 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 #504d9d
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 #504d9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/504d9d-a29cc4-df9e4e-261f2d-e9edf1?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