Color

#a503fc

#a503fc
hex#a503fc
rgbrgb(165, 3, 252)
hslhsl(279, 98%, 50%)
oklchoklch(0.573 0.295 306.1)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1509

Colors that go with #a503fc

Olive Drab, Charcoal and Denim 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 →

#5afc03

#2803fc · #fc03d7

#fca503 · #03fca5

Split-complementary

Open in tool →

#d7fc03 · #03fc28

#fc2803 · #5afc03 · #03d7fc

Contrast

#a503fc as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #8702cf as the text (7.14:1)
Aaon black
4.02:1failpassfail
  • AA: use #b226fd as the text (4.59:1)
  • AAA: use #cb6dfe as the text (7.16:1)
  • AA: or shift the background to #f0f0f0 (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 #a503fc 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

#a503fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a503fc
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 #a503fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a503fc-b99fc1-b9cb62-2d1f2c-ebe9f1?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