Color

#4f3cdd

#4f3cdd
hex#4f3cdd
rgbrgb(79, 60, 221)
hslhsl(247, 70%, 55%)
oklchoklch(0.489 0.231 278.9)
Closest name: Blurple (#5539cc)Relative luminance 0.1011

Colors that go with #4f3cdd

Charcoal, Sea Green and Amber 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 →

#cadd3c

#3c7add · #9f3cdd

#dd4f3c · #3cdd4f

Split-complementary

Open in tool →

#dd9f3c · #7add3c

#dd3c7a · #cadd3c · #3cdd9f

Contrast

#4f3cdd as textRatioAAAA largeAAAFix
Aaon white
6.95:1passpassfail
  • AAA: use #4b38dc as the text (7.25:1)
Aaon black
3.02:1failpassfail
  • AA: use #7263e3 as the text (4.61:1)
  • AAA: use #958aea as the text (7.1:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f3cdd 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

#4f3cdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f3cdd
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 #4f3cdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f3cdd-a59cc4-dfaa4e-271f2d-e9ecf1?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