Color

#a337cd

#a337cd
hex#a337cd
rgbrgb(163, 55, 205)
hslhsl(283, 60%, 51%)
oklchoklch(0.56 0.226 314.5)
Closest name: darkorchid (#9932cc)Relative luminance 0.1493

Tints & shades

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

Harmonies

Complementary

Open in tool →

#62cd37

#5837cd · #cd37ad

#cda337 · #37cda3

Split-complementary

Open in tool →

#adcd37 · #37cd58

#cd5837 · #62cd37 · #37adcd

Contrast

#a337cd as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #872bab as the text (7.09:1)
Aaon black
3.99:1failpassfail
  • AA: use #aa47d1 as the text (4.53:1)
  • AAA: use #c37cde as the text (7.26:1)
  • AA: or shift the background to #ededed (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a337cd 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

#a337cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a337cd
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 #a337cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a337cd-bb9fc1-b2cb62-2d1f2b-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