Color

#5b01bc

#5b01bc
hex#5b01bc
rgbrgb(91, 1, 188)
hslhsl(269, 99%, 37%)
oklchoklch(0.42 0.233 293.2)
Closest name: Blurple (#5539cc)Relative luminance 0.0588

Tints & shades

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

Harmonies

Complementary

Open in tool →

#61bc01

#0104bc · #b901bc

#bc5b01 · #01bc5b

Split-complementary

Open in tool →

#bcb901 · #04bc01

#bc0104 · #61bc01 · #01bcb9

Contrast

#5b01bc as textRatioAAAA largeAAAFix
Aaon white
9.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #9b3efe as the text (4.51:1)
  • AAA: use #b876fe as the text (7.06:1)
  • AA: or shift the background to #b3b3b3 (4.6:1)
  • AAA: or shift the background to #dedede (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b01bc 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

#5b01bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b01bc
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 #5b01bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b01bc-b49cc4-cbcb62-2c1f2d-e9e9f1?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