Color

#504fab

#504fab
hex#504fab
rgbrgb(80, 79, 171)
hslhsl(241, 37%, 49%)
oklchoklch(0.478 0.143 280)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1024

Colors that go with #504fab

Charcoal, Amber and 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 →

#aaab4f

#4f7bab · #7e4fab

#ab504f · #4fab50

Split-complementary

Open in tool →

#ab7e4f · #7bab4f

#ab4f7b · #aaab4f · #4fab7e

Contrast

#504fab as textRatioAAAA largeAAAFix
Aaon white
6.89:1passpassfail
  • AAA: use #4f4da8 as the text (7.1:1)
Aaon black
3.05:1failpassfail
  • AA: use #6e6cbc as the text (4.53:1)
  • AAA: use #9493cd as the text (7.31:1)
  • AA: or shift the background to #d1d1d1 (4.51:1)

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

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

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

tool url/palettes/new/504fab-a19cc4-df9b4e-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