Color

#2b25e4

#2b25e4
hex#2b25e4
rgbrgb(43, 37, 228)
hslhsl(242, 78%, 52%)
oklchoklch(0.449 0.265 269.8)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0744

Colors that go with #2b25e4

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 →

#dee425

#257ee4 · #8b25e4

#e42b25 · #25e42b

Split-complementary

Open in tool →

#e48b25 · #7ee425

#e4257e · #dee425 · #25e48b

Contrast

#2b25e4 as textRatioAAAA largeAAAFix
Aaon white
8.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #6965ec as the text (4.67:1)
  • AAA: use #918ef1 as the text (7.34:1)
  • AA: or shift the background to #bfbfbf (4.59:1)
  • AAA: or shift the background to #ebebeb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b25e4 as the background.

Brands using this color

Fonts for this mood

#2b25e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b25e4
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 #2b25e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b25e4-a29cc4-df9e4e-261f2d-e9edf1?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