Color

#2525ef

#2525ef
hex#2525ef
rgbrgb(37, 37, 239)
hslhsl(240, 86%, 54%)
oklchoklch(0.459 0.279 268.2)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0795

Colors that go with #2525ef

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 →

#efef25

#258aef · #8a25ef

#ef2525 · #25ef25

Split-complementary

Open in tool →

#ef8a25 · #8aef25

#ef258a · #efef25 · #25ef8a

Contrast

#2525ef as textRatioAAAA largeAAAFix
Aaon white
8.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #6262f3 as the text (4.56:1)
  • AAA: use #8d8df6 as the text (7.27:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2525ef as the background.

Brands using this color

Fonts for this mood

#2525ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2525ef
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 #2525ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2525ef-a19cc4-df994e-251f2d-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