Color

#5b14b3

#5b14b3
hex#5b14b3
rgbrgb(91, 20, 179)
hslhsl(267, 80%, 39%)
oklchoklch(0.419 0.217 294.5)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0598

Colors that go with #5b14b3

Denim, Tomato and Olive Green 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 →

#6bb314

#141cb3 · #ab14b3

#b35b14 · #14b35b

Split-complementary

Open in tool →

#b3ab14 · #1cb314

#b3141c · #6bb314 · #14b3ab

Contrast

#5b14b3 as textRatioAAAA largeAAAFix
Aaon white
9.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #9651ec as the text (4.69:1)
  • AAA: use #b27ef1 as the text (7.15:1)
  • AA: or shift the background to #b3b3b3 (4.56:1)
  • AAA: or shift the background to #dedede (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 #5b14b3 as the background.

Brands using this color

Fonts for this mood

#5b14b3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b14b3
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 #5b14b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b14b3-b39cc4-dfda4e-2c1f2d-e9eaf1?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