Color

#4d25ef

#4d25ef
hex#4d25ef
rgbrgb(77, 37, 239)
hslhsl(252, 86%, 54%)
oklchoklch(0.482 0.269 278.2)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0913

Colors that go with #4d25ef

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 →

#c6ef25

#2561ef · #b225ef

#ef4d25 · #25ef4d

Split-complementary

Open in tool →

#efb225 · #61ef25

#ef2561 · #c6ef25 · #25efb2

Contrast

#4d25ef as textRatioAAAA largeAAAFix
Aaon white
7.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #7859f3 as the text (4.52:1)
  • AAA: use #9a84f6 as the text (7.01:1)
  • AA: or shift the background to #cccccc (4.63:1)
  • AAA: or shift the background to #fafafa (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d25ef 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

#4d25ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d25ef
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 #4d25ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d25ef-a99cc4-dfb64e-281f2d-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