Color

#900fa3

#900fa3
hex#900fa3
rgbrgb(144, 15, 163)
hslhsl(292, 83%, 35%)
oklchoklch(0.476 0.218 321.6)
Closest name: darkmagenta (#8b008b)Relative luminance 0.0892

Colors that go with #900fa3

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 →

#23a30f

#450fa3 · #a30f6d

#a3900f · #0fa390

Split-complementary

Open in tool →

#6da30f · #0fa345

#a3450f · #23a30f · #0f6da3

Contrast

#900fa3 as textRatioAAAA largeAAAFix
Aaon white
7.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #c515e0 as the text (4.56:1)
  • AAA: use #dd60f0 as the text (7.01:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #900fa3 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

#900fa3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #900fa3
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 #900fa3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/900fa3-c09fc1-a3cb62-2d1f29-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