Color

#901eb3

#901eb3
hex#901eb3
rgbrgb(144, 30, 179)
hslhsl(286, 71%, 41%)
oklchoklch(0.495 0.221 316.2)
Closest name: Nebula (#a104c3)Relative luminance 0.1011

Tints & shades

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

Harmonies

Complementary

Open in tool →

#41b31e

#461eb3 · #b31e8b

#b3901e · #1eb390

Split-complementary

Open in tool →

#8bb31e · #1eb346

#b3461e · #41b31e · #1e8bb3

Contrast

#901eb3 as textRatioAAAA largeAAAFix
Aaon white
6.95:1passpassfail
  • AAA: use #8d1eae as the text (7.17:1)
Aaon black
3.02:1failpassfail
  • AA: use #b636dd as the text (4.56:1)
  • AAA: use #cc73e7 as the text (7.17:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #901eb3 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

#901eb3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #901eb3
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 #901eb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/901eb3-bd9fc1-adcb62-2d1f2a-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