Color

#5d13fb

#5d13fb
hex#5d13fb
rgbrgb(93, 19, 251)
hslhsl(259, 97%, 53%)
oklchoklch(0.497 0.286 282.6)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0976

Colors that go with #5d13fb

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 →

#b2fb13

#133efb · #d113fb

#fb5d13 · #13fb5d

Split-complementary

Open in tool →

#fbd113 · #3efb13

#fb133e · #b2fb13 · #13fbd1

Contrast

#5d13fb as textRatioAAAA largeAAAFix
Aaon white
7.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #864ffc as the text (4.54:1)
  • AAA: use #a981fd as the text (7.25:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d13fb as the background.

Brands using this color

Fonts for this mood

#5d13fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5d13fb
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 #5d13fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5d13fb-ad9cc4-dfc74e-2a1f2d-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