Color

#a537d7

#a537d7
hex#a537d7
rgbrgb(165, 55, 215)
hslhsl(281, 67%, 53%)
oklchoklch(0.569 0.236 312.6)
Closest name: Magenta Affair (#aa44dd)Relative luminance 0.1564

Colors that go with #a537d7

Olive Drab, Sea Green and Charcoal 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 →

#6ad737

#5437d7 · #d737ba

#d7a537 · #37d7a5

Split-complementary

Open in tool →

#bad737 · #37d754

#d75437 · #6ad737 · #37bad7

Contrast

#a537d7 as textRatioAAAA largeAAAFix
Aaon white
5.09:1passpassfail
Aaon black
4.13:1failpassfail
  • AA: use #aa44da as the text (4.55:1)
  • AAA: use #c177e4 as the text (7.03:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a537d7 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

#a537d7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a537d7
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 #a537d7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a537d7-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