Color

#503c72

#503c72
hex#503c72
rgbrgb(80, 60, 114)
hslhsl(262, 31%, 34%)
oklchoklch(0.403 0.09 299.4)
Closest name: Drifting Violet (#5b4276)Relative luminance 0.0615

Colors that go with #503c72

Blue, Crimson and Denim 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 →

#5e723c

#3c4372 · #6a3c72

#72503c · #3c7250

Split-complementary

Open in tool →

#726a3c · #43723c

#723c43 · #5e723c · #3c726a

Contrast

#503c72 as textRatioAAAA largeAAAFix
Aaon white
9.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #8369b0 as the text (4.61:1)
  • AAA: use #a18dc3 as the text (7.11:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #503c72 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 #503c72
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 #503c72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/503c72-af9cc4-dfce4e-2a1f2d-e9eaf1?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