Color

#4242ff

#4242ff
hex#4242ff
rgbrgb(66, 66, 255)
hslhsl(240, 100%, 63%)
oklchoklch(0.522 0.267 272.2)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1227

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffff42

#42a1ff · #a142ff

#ff4242 · #42ff42

Split-complementary

Open in tool →

#ffa142 · #a1ff42

#ff42a1 · #ffff42 · #42ffa1

Contrast

#4242ff as textRatioAAAA largeAAAFix
Aaon white
6.08:1passpassfail
  • AAA: use #2e2eff as the text (7.12:1)
Aaon black
3.45:1failpassfail
  • AA: use #6161ff as the text (4.66:1)
  • AAA: use #8a8aff as the text (7.16:1)
  • AA: or shift the background to #dedede (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4242ff as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4242ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4242ff
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 #4242ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4242ff-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