Color

#a105cc

#a105cc
hex#a105cc
rgbrgb(161, 5, 204)
hslhsl(287, 95%, 41%)
oklchoklch(0.529 0.257 315.8)
Closest name: Nebula (#a104c3)Relative luminance 0.1205

Tints & shades

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

Harmonies

Complementary

Open in tool →

#30cc05

#3e05cc · #cc0594

#cca105 · #05cca1

Split-complementary

Open in tool →

#94cc05 · #05cc3e

#cc3e05 · #30cc05 · #0594cc

Contrast

#a105cc as textRatioAAAA largeAAAFix
Aaon white
6.16:1passpassfail
  • AAA: use #9105b8 as the text (7.2:1)
Aaon black
3.41:1failpassfail
  • AA: use #c006f4 as the text (4.57:1)
  • AAA: use #d960fb as the text (7.02:1)
  • AA: or shift the background to #dedede (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a105cc 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

#a105cc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a105cc
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 #a105cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a105cc-bd9fc1-abcb62-2d1f2a-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