Color

#504ac4

#504ac4
hex#504ac4
rgbrgb(80, 74, 196)
hslhsl(243, 51%, 53%)
oklchoklch(0.489 0.184 279.3)
Closest name: Blurple (#5539cc)Relative luminance 0.1059

Colors that go with #504ac4

Charcoal, Sea Green 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 →

#bec44a

#4a81c4 · #8d4ac4

#c4504a · #4ac450

Split-complementary

Open in tool →

#c48d4a · #81c44a

#c44a81 · #bec44a · #4ac48d

Contrast

#504ac4 as textRatioAAAA largeAAAFix
Aaon white
6.74:1passpassfail
  • AAA: use #4c46c3 as the text (7.07:1)
Aaon black
3.12:1failpassfail
  • AA: use #6e69ce as the text (4.57:1)
  • AAA: use #938fdb as the text (7.19:1)
  • AA: or shift the background to #d4d4d4 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #504ac4 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

#504ac4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #504ac4
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 #504ac4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/504ac4-a39cc4-dfa04e-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