Color

#901bfe

#901bfe
hex#901bfe
rgbrgb(144, 27, 254)
hslhsl(271, 99%, 55%)
oklchoklch(0.556 0.286 298.7)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1387

Tints & shades

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

Harmonies

Complementary

Open in tool →

#88fe1b

#1e1bfe · #fe1bfa

#fe901b · #1bfe90

Split-complementary

Open in tool →

#fafe1b · #1bfe1e

#fe1e1b · #88fe1b · #1bfafe

Contrast

#901bfe as textRatioAAAA largeAAAFix
Aaon white
5.56:1passpassfail
  • AAA: use #7901e9 as the text (7.01:1)
Aaon black
3.77:1failpassfail
  • AA: use #a13efe as the text (4.64:1)
  • AAA: use #bc76fe as the text (7.16:1)
  • AA: or shift the background to #e8e8e8 (4.54:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/901bfe-b59cc4-c7cb62-2c1f2d-eae9f1?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