Color

#5c28eb

#5c28eb
hex#5c28eb
rgbrgb(92, 40, 235)
hslhsl(256, 83%, 54%)
oklchoklch(0.492 0.26 283.5)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0979

Colors that go with #5c28eb

Charcoal, Denim and Cobalt 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 →

#b7eb28

#2856eb · #be28eb

#eb5c28 · #28eb5c

Split-complementary

Open in tool →

#ebbe28 · #56eb28

#eb2856 · #b7eb28 · #28ebbe

Contrast

#5c28eb as textRatioAAAA largeAAAFix
Aaon white
7.1:1passpasspassPasses AAA — no fix needed.
Aaon black
2.96:1failfailfail
  • AA: use #8057ef as the text (4.53:1)
  • AAA: use #a386f4 as the text (7.27:1)
  • AA: or shift the background to #cfcfcf (4.56:1)
  • AAA: or shift the background to #ffffff (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5c28eb 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

#5c28eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5c28eb
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 #5c28eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5c28eb-ab9cc4-dfbf4e-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