Color

#505fed

#505fed
hex#505fed
rgbrgb(80, 95, 237)
hslhsl(234, 81%, 62%)
oklchoklch(0.558 0.212 272.8)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.16

Colors that go with #505fed

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 →

#eddd50

#50aeed · #8e50ed

#ed505f · #5fed50

Split-complementary

Open in tool →

#ed8e50 · #aeed50

#ed50ae · #eddd50 · #50ed8e

Contrast

#505fed as textRatioAAAA largeAAAFix
Aaon white
5:1passpassfail
  • AAA: use #2b3ee9 as the text (7.07:1)
Aaon black
4.2:1failpassfail
  • AA: use #5968ee as the text (4.64:1)
  • AAA: use #828ef2 as the text (7.1:1)
  • AA: or shift the background to #f5f5f5 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #505fed as the background.

Brands using this color

Fonts for this mood

#505fed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #505fed
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 #505fed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/505fed-9d9cc4-df8a4e-241f2d-e9eef1?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