Color

#242fff

#242fff
hex#242fff
rgbrgb(36, 47, 255)
hslhsl(237, 100%, 57%)
oklchoklch(0.487 0.289 267.4)
Closest name: C64 Blue (#003aff)Relative luminance 0.0963

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fff424

#249cff · #8624ff

#ff242f · #2fff24

Split-complementary

Open in tool →

#ff8624 · #9cff24

#ff249c · #fff424 · #24ff86

Contrast

#242fff as textRatioAAAA largeAAAFix
Aaon white
7.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #5c64ff as the text (4.72:1)
  • AAA: use #858bff as the text (7.13:1)
  • AA: or shift the background to #cfcfcf (4.61:1)
  • AAA: or shift the background to #ffffff (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #242fff as the background.

Brands using this color

Fonts for this mood

#242fff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #242fff
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #242fff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/242fff-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