Color

#a403c4

#a403c4
hex#a403c4
rgbrgb(164, 3, 196)
hslhsl(290, 97%, 39%)
oklchoklch(0.527 0.253 318.9)
Closest name: Nebula (#a104c3)Relative luminance 0.1194

Colors that go with #a403c4

Forest Green, 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.

Real palettes that use #a403c4

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#23c403

#4303c4 · #c40384

#c4a403 · #03c4a4

Split-complementary

Open in tool →

#84c403 · #03c443

#c44303 · #23c403 · #0384c4

Contrast

#a403c4 as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #9703b5 as the text (7.01:1)
Aaon black
3.39:1failpassfail
  • AA: use #c504ec as the text (4.6:1)
  • AAA: use #e159fc as the text (7.04:1)
  • AA: or shift the background to #dedede (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a403c4 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

#a403c4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a403c4
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 #a403c4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a403c4-bf9fc1-a6cb62-2d1f29-ece9f1?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