Color

#245df9

#245df9
hex#245df9
rgbrgb(36, 93, 249)
hslhsl(224, 95%, 56%)
oklchoklch(0.547 0.24 264.3)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1504

Colors that go with #245df9

Charcoal, Crimson 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 →

#f9c124

#24c8f9 · #5624f9

#f9245d · #5df924

Split-complementary

Open in tool →

#f95624 · #c8f924

#f924c8 · #f9c124 · #24f956

Contrast

#245df9 as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
Aaon black
4.01:1failpassfail
  • AA: use #3368fa as the text (4.5:1)
  • AAA: use #6a91fb as the text (7.06:1)
  • AA: or shift the background to #f0f0f0 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #245df9 as the background.

Brands using this color

Fonts for this mood

#245df9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #245df9
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 #245df9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/245df9-9ca2c4-df724e-221f2d-e9eff1?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