Color

#503af8

#503af8
hex#503af8
rgbrgb(80, 58, 248)
hslhsl(247, 93%, 60%)
oklchoklch(0.514 0.263 277)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1151

Colors that go with #503af8

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 →

#e2f83a

#3a83f8 · #af3af8

#f8503a · #3af850

Split-complementary

Open in tool →

#f8af3a · #83f83a

#f83a83 · #e2f83a · #3af8af

Contrast

#503af8 as textRatioAAAA largeAAAFix
Aaon white
6.36:1passpassfail
  • AAA: use #432bf7 as the text (7.17:1)
Aaon black
3.3:1failpassfail
  • AA: use #6f5df9 as the text (4.61:1)
  • AAA: use #9689fb as the text (7.27:1)
  • AA: or shift the background to #d9d9d9 (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 #503af8 as the background.

Brands using this color

Fonts for this mood

#503af8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #503af8
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 #503af8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/503af8-a59cc4-dfaa4e-271f2d-e9ecf1?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