Color

#420edd

#420edd
hex#420edd
rgbrgb(66, 14, 221)
hslhsl(255, 88%, 46%)
oklchoklch(0.439 0.263 277.4)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0669

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a9dd0e

#0e42dd · #a90edd

#dd420e · #0edd42

Split-complementary

Open in tool →

#dda90e · #42dd0e

#dd0e42 · #a9dd0e · #0edda9

Contrast

#420edd as textRatioAAAA largeAAAFix
Aaon white
8.98:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #7e57f4 as the text (4.56:1)
  • AAA: use #a082f7 as the text (7.03:1)
  • AA: or shift the background to #b8b8b8 (4.53:1)
  • AAA: or shift the background to #e6e6e6 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420edd 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

#420edd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420edd
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 #420edd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420edd-ab9cc4-dfbd4e-291f2d-e9ebf1?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