Color

#901cfd

#901cfd
hex#901cfd
rgbrgb(144, 28, 253)
hslhsl(271, 98%, 55%)
oklchoklch(0.555 0.284 298.8)
Closest name: Cosmic Heart (#9601f4)Relative luminance 0.1385

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89fd1c

#201cfd · #fd1cf9

#fd901c · #1cfd90

Split-complementary

Open in tool →

#f9fd1c · #1cfd20

#fd201c · #89fd1c · #1cf9fd

Contrast

#901cfd as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #7902e8 as the text (7.03:1)
Aaon black
3.77:1failpassfail
  • AA: use #a13ffd as the text (4.64:1)
  • AAA: use #bc77fe as the text (7.21:1)
  • AA: or shift the background to #e8e8e8 (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 #901cfd as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/901cfd-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