Color

#420f52

#420f52
hex#420f52
rgbrgb(66, 15, 82)
hslhsl(286, 69%, 19%)
oklchoklch(0.292 0.119 316.6)
Closest name: Clairvoyant (#480656)Relative luminance 0.0211

Colors that go with #420f52

Charcoal, Blue and Cadet Blue 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 →

#1f520f

#210f52 · #520f40

#52420f · #0f5242

Split-complementary

Open in tool →

#40520f · #0f5221

#52210f · #1f520f · #0f4052

Contrast

#420f52 as textRatioAAAA largeAAAFix
Aaon white
14.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #b539db as the text (4.57:1)
  • AAA: use #ca71e5 as the text (7:1)
  • AA: or shift the background to #8f8f8f (4.57:1)
  • AAA: or shift the background to #b3b3b3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420f52 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

#420f52 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420f52
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 #420f52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420f52-bd9fc1-adcb62-2d1f2a-ece9f1?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