Color

#540ced

#540ced
hex#540ced
rgbrgb(84, 12, 237)
hslhsl(259, 90%, 49%)
oklchoklch(0.471 0.276 281.6)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0826

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a6ed0c

#0c36ed · #c40ced

#ed540c · #0ced54

Split-complementary

Open in tool →

#edc40c · #36ed0c

#ed0c36 · #a6ed0c · #0cedc4

Contrast

#540ced as textRatioAAAA largeAAAFix
Aaon white
7.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #8551f6 as the text (4.51:1)
  • AAA: use #a781f8 as the text (7.14:1)
  • AA: or shift the background to #c4c4c4 (4.54:1)
  • AAA: or shift the background to #f2f2f2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #540ced 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

#540ced reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #540ced
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 #540ced and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/540ced-ad9cc4-dfc74e-2a1f2d-e9ebf1?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