Color

#2b0ffa

#2b0ffa
hex#2b0ffa
rgbrgb(43, 15, 250)
hslhsl(247, 96%, 52%)
oklchoklch(0.461 0.298 269.1)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0776

Colors that go with #2b0ffa

Charcoal, Crimson 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 →

#dffa0f

#0f69fa · #a00ffa

#fa2b0f · #0ffa2b

Split-complementary

Open in tool →

#faa00f · #69fa0f

#fa0f69 · #dffa0f · #0ffaa0

Contrast

#2b0ffa as textRatioAAAA largeAAAFix
Aaon white
8.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.55:1failfailfail
  • AA: use #6d5afc as the text (4.52:1)
  • AAA: use #9587fd as the text (7.16:1)
  • AA: or shift the background to #c2c2c2 (4.62:1)
  • AAA: or shift the background to #ededed (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b0ffa as the background.

Brands using this color

Fonts for this mood

#2b0ffa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b0ffa
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 #2b0ffa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b0ffa-a59cc4-dfaa4e-271f2d-e9ecf1?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