Color

#a510ea

#a510ea
hex#a510ea
rgbrgb(165, 16, 234)
hslhsl(281, 87%, 49%)
oklchoklch(0.561 0.278 309.7)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1431

Tints & shades

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

Harmonies

Complementary

Open in tool →

#55ea10

#3810ea · #ea10c2

#eaa510 · #10eaa5

Split-complementary

Open in tool →

#c2ea10 · #10ea38

#ea3810 · #55ea10 · #10c2ea

Contrast

#a510ea as textRatioAAAA largeAAAFix
Aaon white
5.44:1passpassfail
  • AAA: use #8a0ec4 as the text (7.14:1)
Aaon black
3.86:1failpassfail
  • AA: use #b32df0 as the text (4.55:1)
  • AAA: use #cb70f5 as the text (7.18:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a510ea 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

#a510ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a510ea
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 #a510ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a510ea-ba9fc1-b6cb62-2d1f2c-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