Color

#424de0

#424de0
hex#424de0
rgbrgb(66, 77, 224)
hslhsl(236, 72%, 57%)
oklchoklch(0.509 0.219 272.4)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1185

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e0d642

#429ce0 · #8742e0

#e0424d · #4de042

Split-complementary

Open in tool →

#e08742 · #9ce042

#e0429c · #e0d642 · #42e087

Contrast

#424de0 as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #3541de as the text (7.09:1)
Aaon black
3.37:1failpassfail
  • AA: use #616ae5 as the text (4.7:1)
  • AAA: use #898fec as the text (7.2:1)
  • AA: or shift the background to #dbdbdb (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424de0 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

#424de0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424de0
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 #424de0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424de0-9e9cc4-df8f4e-241f2d-e9eef1?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