Color

#a10ff5

#a10ff5
hex#a10ff5
rgbrgb(161, 15, 245)
hslhsl(278, 92%, 51%)
oklchoklch(0.564 0.286 306.1)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1451

Colors that go with #a10ff5

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 →

#63f50f

#2e0ff5 · #f50fd6

#f5a10f · #0ff5a1

Split-complementary

Open in tool →

#d6f50f · #0ff52e

#f52e0f · #63f50f · #0fd6f5

Contrast

#a10ff5 as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #8509ce as the text (7.17:1)
Aaon black
3.9:1failpassfail
  • AA: use #ae31f6 as the text (4.57:1)
  • AAA: use #c771f9 as the text (7.16:1)
  • AA: or shift the background to #ebebeb (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 #a10ff5 as the background.

Brands using this color

Fonts for this mood

#a10ff5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a10ff5
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 #a10ff5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a10ff5-ba9cc4-bbcb62-2d1f2c-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