Color

#4821ca

#4821ca
hex#4821ca
rgbrgb(72, 33, 202)
hslhsl(254, 72%, 46%)
oklchoklch(0.434 0.233 281.1)
Closest name: Blurple (#5539cc)Relative luminance 0.0673

Colors that go with #4821ca

Charcoal, Denim and Cornflower 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 →

#a2ca21

#214eca · #9d21ca

#ca4821 · #21ca48

Split-complementary

Open in tool →

#ca9d21 · #4eca21

#ca214e · #a2ca21 · #21ca9d

Contrast

#4821ca as textRatioAAAA largeAAAFix
Aaon white
8.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #7c5de5 as the text (4.55:1)
  • AAA: use #a089ec as the text (7.28:1)
  • AA: or shift the background to #b8b8b8 (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4821ca 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

#4821ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4821ca
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 #4821ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4821ca-aa9cc4-dfbb4e-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