Color

#503d76

#503d76
hex#503d76
rgbrgb(80, 61, 118)
hslhsl(260, 32%, 35%)
oklchoklch(0.408 0.094 297.4)
Closest name: Drifting Violet (#5b4276)Relative luminance 0.0635

Colors that go with #503d76

Steel Blue, Blue and Crimson 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 →

#63763d

#3d4676 · #6c3d76

#76503d · #3d7650

Split-complementary

Open in tool →

#766c3d · #46763d

#763d46 · #63763d · #3d766c

Contrast

#503d76 as textRatioAAAA largeAAAFix
Aaon white
9.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #8068b1 as the text (4.53:1)
  • AAA: use #9f8dc4 as the text (7.08:1)
  • AA: or shift the background to #b5b5b5 (4.51:1)
  • AAA: or shift the background to #e0e0e0 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #503d76 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 #503d76
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 #503d76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/503d76-ae9cc4-dfc94e-2a1f2d-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