Color

#424dcd

#424dcd
hex#424dcd
rgbrgb(66, 77, 205)
hslhsl(235, 58%, 53%)
oklchoklch(0.492 0.195 273)
Closest name: Blurple (#5539cc)Relative luminance 0.1087

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cdc142

#4293cd · #7c42cd

#cd424d · #4dcd42

Split-complementary

Open in tool →

#cd7c42 · #93cd42

#cd4293 · #cdc142 · #42cd7c

Contrast

#424dcd as textRatioAAAA largeAAAFix
Aaon white
6.61:1passpassfail
  • AAA: use #3a46cb as the text (7.2:1)
Aaon black
3.17:1failpassfail
  • AA: use #626bd5 as the text (4.58:1)
  • AAA: use #8a91e0 as the text (7.21:1)
  • AA: or shift the background to #d6d6d6 (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 #424dcd 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

#424dcd reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/424dcd-9e9cc4-df8d4e-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