Color

#541bda

#541bda
hex#541bda
rgbrgb(84, 27, 218)
hslhsl(258, 78%, 48%)
oklchoklch(0.457 0.252 283.7)
Closest name: Blurple (#5539cc)Relative luminance 0.0773

Colors that go with #541bda

Charcoal, Royal Blue and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a1da1b

#1b41da · #b41bda

#da541b · #1bda54

Split-complementary

Open in tool →

#dab41b · #41da1b

#da1b41 · #a1da1b · #1bdab4

Contrast

#541bda as textRatioAAAA largeAAAFix
Aaon white
8.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.55:1failfailfail
  • AA: use #8357ea as the text (4.52:1)
  • AAA: use #a584f0 as the text (7.16:1)
  • AA: or shift the background to #c2c2c2 (4.63:1)
  • AAA: or shift the background to #ededed (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #541bda 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

#541bda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #541bda
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #541bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/541bda-ad9cc4-dfc44e-291f2d-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