Color

#5b0bda

#5b0bda
hex#5b0bda
rgbrgb(91, 11, 218)
hslhsl(263, 90%, 45%)
oklchoklch(0.456 0.258 287)
Closest name: Blurple (#5539cc)Relative luminance 0.0753

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8bda0b

#0b24da · #c20bda

#da5b0b · #0bda5b

Split-complementary

Open in tool →

#dac20b · #24da0b

#da0b24 · #8bda0b · #0bdac2

Contrast

#5b0bda as textRatioAAAA largeAAAFix
Aaon white
8.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.51:1failfailfail
  • AA: use #9051f6 as the text (4.69:1)
  • AAA: use #af81f8 as the text (7.32:1)
  • AA: or shift the background to #bfbfbf (4.56:1)
  • AAA: or shift the background to #ebebeb (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b0bda 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

#5b0bda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b0bda
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 #5b0bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b0bda-b09cc4-dfd04e-2b1f2d-e9eaf1?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