Color

#424bf0

#424bf0
hex#424bf0
rgbrgb(66, 75, 240)
hslhsl(237, 85%, 60%)
oklchoklch(0.52 0.241 272)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1248

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0e742

#42a2f0 · #9042f0

#f0424b · #4bf042

Split-complementary

Open in tool →

#f09042 · #a2f042

#f042a2 · #f0e742 · #42f090

Contrast

#424bf0 as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #2f39ee as the text (7.14:1)
Aaon black
3.5:1failpassfail
  • AA: use #5f66f2 as the text (4.67:1)
  • AAA: use #898ef5 as the text (7.25:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424bf0 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

#424bf0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424bf0
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 #424bf0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424bf0-9f9cc4-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