Color

#905bfb

#905bfb
hex#905bfb
rgbrgb(144, 91, 251)
hslhsl(260, 95%, 67%)
oklchoklch(0.613 0.226 293.9)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2038

Colors that go with #905bfb

Olive Drab, Deep Sky Blue and Royal Blue 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 →

#c5fb5b

#5b76fb · #e05bfb

#fb905b · #5bfb90

Split-complementary

Open in tool →

#fbe05b · #76fb5b

#fb5b76 · #c5fb5b · #5bfbe0

Contrast

#905bfb as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #8951fb as the text (4.53:1)
  • AAA: use #6115f9 as the text (7.04:1)
  • AA: or shift the background to #121212 (4.53:1)
Aaon black
5.08:1passpassfail
  • AAA: use #a87efc as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #905bfb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#905bfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #905bfb
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 #905bfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/905bfb-ae9cc4-dfc94e-2a1f2d-e9ebf1?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