Color

#240df8

#240df8
hex#240df8
rgbrgb(36, 13, 248)
hslhsl(246, 94%, 51%)
oklchoklch(0.455 0.298 267.9)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0744

Colors that go with #240df8

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 →

#e0f80d

#0d6bf8 · #9a0df8

#f8240d · #0df824

Split-complementary

Open in tool →

#f89a0d · #6bf80d

#f80d6b · #e0f80d · #0df89a

Contrast

#240df8 as textRatioAAAA largeAAAFix
Aaon white
8.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #6c5cfa as the text (4.55:1)
  • AAA: use #9488fb as the text (7.17:1)
  • 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 #240df8 as the background.

Brands using this color

Fonts for this mood

#240df8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #240df8
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 #240df8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/240df8-a59cc4-dfa74e-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