Color

#5931dd

#5931dd
hex#5931dd
rgbrgb(89, 49, 221)
hslhsl(254, 72%, 53%)
oklchoklch(0.484 0.239 283.6)
Closest name: Blurple (#5539cc)Relative luminance 0.0954

Colors that go with #5931dd

Charcoal, Denim and Sea 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 →

#b5dd31

#315fdd · #af31dd

#dd5931 · #31dd59

Split-complementary

Open in tool →

#ddaf31 · #5fdd31

#dd315f · #b5dd31 · #31ddaf

Contrast

#5931dd as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #7c5de5 as the text (4.55:1)
  • AAA: use #a089ec as the text (7.28:1)
  • AA: or shift the background to #cfcfcf (4.63:1)
  • AAA: or shift the background to #fcfcfc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5931dd 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

#5931dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5931dd
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 #5931dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5931dd-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