Color

#901da5

#901da5
hex#901da5
rgbrgb(144, 29, 165)
hslhsl(291, 70%, 38%)
oklchoklch(0.485 0.21 320.6)
Closest name: darkmagenta (#8b008b)Relative luminance 0.0952

Tints & shades

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

Harmonies

Complementary

Open in tool →

#31a51d

#4d1da5 · #a51d75

#a5901d · #1da590

Split-complementary

Open in tool →

#75a51d · #1da54d

#a54d1d · #31a51d · #1d75a5

Contrast

#901da5 as textRatioAAAA largeAAAFix
Aaon white
7.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #bf2bda as the text (4.57:1)
  • AAA: use #d36ce5 as the text (7.05:1)
  • AA: or shift the background to #cccccc (4.5:1)
  • AAA: or shift the background to #fcfcfc (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 #901da5 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

#901da5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #901da5
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 #901da5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/901da5-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