Color

#4b1de2

#4b1de2
hex#4b1de2
rgbrgb(75, 29, 226)
hslhsl(254, 77%, 50%)
oklchoklch(0.46 0.26 279.4)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0787

Colors that go with #4b1de2

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 →

#b4e21d

#1d52e2 · #ad1de2

#e24b1d · #1de24b

Split-complementary

Open in tool →

#e2ad1d · #52e21d

#e21d52 · #b4e21d · #1de2ad

Contrast

#4b1de2 as textRatioAAAA largeAAAFix
Aaon white
8.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #7e5dea as the text (4.64:1)
  • AAA: use #9e85ef as the text (7.06:1)
  • AA: or shift the background to #c2c2c2 (4.58:1)
  • AAA: or shift the background to #f0f0f0 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b1de2 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

#4b1de2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b1de2
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 #4b1de2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b1de2-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