Color

#424ed7

#424ed7
hex#424ed7
rgbrgb(66, 78, 215)
hslhsl(235, 65%, 55%)
oklchoklch(0.502 0.207 272.5)
Closest name: Blurple (#5539cc)Relative luminance 0.1151

Colors that go with #424ed7

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d7ca42

#4299d7 · #8042d7

#d7424e · #4ed742

Split-complementary

Open in tool →

#d78042 · #99d742

#d74299 · #d7ca42 · #42d780

Contrast

#424ed7 as textRatioAAAA largeAAAFix
Aaon white
6.36:1passpassfail
  • AAA: use #3542d4 as the text (7.29:1)
Aaon black
3.3:1failpassfail
  • AA: use #5f6add as the text (4.59:1)
  • AAA: use #8991e6 as the text (7.26:1)
  • AA: or shift the background to #d9d9d9 (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 #424ed7 as the background.

Brands using this color

Fonts for this mood

#424ed7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424ed7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #424ed7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424ed7-9e9cc4-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