Color

#a137b3

#a137b3
hex#a137b3
rgbrgb(161, 55, 179)
hslhsl(291, 53%, 46%)
oklchoklch(0.54 0.202 321.5)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1356

Colors that go with #a137b3

Forest Green, Teal 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 →

#4ab337

#6337b3 · #b33788

#b3a137 · #37b3a1

Split-complementary

Open in tool →

#88b337 · #37b363

#b36337 · #4ab337 · #3788b3

Contrast

#a137b3 as textRatioAAAA largeAAAFix
Aaon white
5.66:1passpassfail
  • AAA: use #882f98 as the text (7.22:1)
Aaon black
3.71:1failpassfail
  • AA: use #b244c5 as the text (4.53:1)
  • AAA: use #c87ad6 as the text (7.21:1)
  • AA: or shift the background to #e6e6e6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a137b3 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

#a137b3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a137b3
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 #a137b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a137b3-bf9fc1-a4cb62-2d1f29-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