Color

#503d94

#503d94
hex#503d94
rgbrgb(80, 61, 148)
hslhsl(253, 42%, 41%)
oklchoklch(0.428 0.137 289.4)
Closest name: Blueberry (#464196)Relative luminance 0.0718

Colors that go with #503d94

Charcoal, Sea Green and Steel 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#81943d

#3d5694 · #7c3d94

#94503d · #3d9450

Split-complementary

Open in tool →

#947c3d · #56943d

#943d56 · #81943d · #3d947c

Contrast

#503d94 as textRatioAAAA largeAAAFix
Aaon white
8.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #7a67c1 as the text (4.54:1)
  • AAA: use #9d8fd1 as the text (7.28:1)
  • AA: or shift the background to #bdbdbd (4.59:1)
  • AAA: or shift the background to #e8e8e8 (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 #503d94 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#503d94 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #503d94
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 #503d94 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/503d94-a99cc4-dfb84e-281f2d-e9ebf1?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