Color

#a300cc

#a300cc
hex#a300cc
rgbrgb(163, 0, 204)
hslhsl(288, 100%, 40%)
oklchoklch(0.531 0.259 316.5)
Closest name: Nebula (#a104c3)Relative luminance 0.1215

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29cc00

#3d00cc · #cc008f

#cca300 · #00cca3

Split-complementary

Open in tool →

#8fcc00 · #00cc3d

#cc3d00 · #29cc00 · #008fcc

Contrast

#a300cc as textRatioAAAA largeAAAFix
Aaon white
6.12:1passpassfail
  • AAA: use #9300b8 as the text (7.16:1)
Aaon black
3.43:1failpassfail
  • AA: use #c400f5 as the text (4.67:1)
  • AAA: use #de5cff as the text (7.08:1)
  • AA: or shift the background to #dedede (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a300cc 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

#a300cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a300cc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #a300cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a300cc-be9fc1-aacb62-2d1f2a-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