Color

#252fe4

#252fe4
hex#252fe4
rgbrgb(37, 47, 228)
hslhsl(237, 78%, 52%)
oklchoklch(0.457 0.26 268.2)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0803

Colors that go with #252fe4

Charcoal, Sea Green and Amber 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 →

#e4db25

#258ee4 · #7b25e4

#e4252f · #2fe425

Split-complementary

Open in tool →

#e47b25 · #8ee425

#e4258e · #e4db25 · #25e47b

Contrast

#252fe4 as textRatioAAAA largeAAAFix
Aaon white
8.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.61:1failfailfail
  • AA: use #6067eb as the text (4.64:1)
  • AAA: use #898ef0 as the text (7.19:1)
  • AA: or shift the background to #c2c2c2 (4.52:1)
  • AAA: or shift the background to #f0f0f0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #252fe4 as the background.

Brands using this color

Fonts for this mood

#252fe4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #252fe4
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 #252fe4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/252fe4-9f9cc4-df924e-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