Color

#5a12bf

#5a12bf
hex#5a12bf
rgbrgb(90, 18, 191)
hslhsl(265, 83%, 41%)
oklchoklch(0.429 0.229 291.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0637

Colors that go with #5a12bf

Denim, Midnight Blue and Royal 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 →

#77bf12

#1220bf · #b112bf

#bf5a12 · #12bf5a

Split-complementary

Open in tool →

#bfb112 · #20bf12

#bf1220 · #77bf12 · #12bfb1

Contrast

#5a12bf as textRatioAAAA largeAAAFix
Aaon white
9.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #914eef as the text (4.54:1)
  • AAA: use #b181f3 as the text (7.3:1)
  • AA: or shift the background to #b5b5b5 (4.5:1)
  • AAA: or shift the background to #e3e3e3 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a12bf as the background.

Brands using this color

Fonts for this mood

#5a12bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a12bf
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 #5a12bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a12bf-b19cc4-dfd54e-2b1f2d-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