Color

#4f30fd

#4f30fd
hex#4f30fd
rgbrgb(79, 48, 253)
hslhsl(249, 98%, 59%)
oklchoklch(0.508 0.276 276.9)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1087

Colors that go with #4f30fd

Charcoal, Cobalt Blue 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 →

#defd30

#3078fd · #b530fd

#fd4f30 · #30fd4f

Split-complementary

Open in tool →

#fdb530 · #78fd30

#fd3078 · #defd30 · #30fdb5

Contrast

#4f30fd as textRatioAAAA largeAAAFix
Aaon white
6.62:1passpassfail
  • AAA: use #4626fd as the text (7.1:1)
Aaon black
3.17:1failpassfail
  • AA: use #7158fd as the text (4.52:1)
  • AAA: use #9886fe as the text (7.18:1)
  • AA: or shift the background to #d6d6d6 (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 #4f30fd as the background.

Brands using this color

Fonts for this mood

#4f30fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f30fd
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 #4f30fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f30fd-a79cc4-dfae4e-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