Color

#820da5

#820da5
hex#820da5
rgbrgb(130, 13, 165)
hslhsl(286, 85%, 35%)
oklchoklch(0.456 0.216 315.7)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0775

Colors that go with #820da5

Forest Green, Teal and Sea Green 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 →

#31a50d

#360da5 · #a50d7d

#a5820d · #0da582

Split-complementary

Open in tool →

#7da50d · #0da536

#a5360d · #31a50d · #0d7da5

Contrast

#820da5 as textRatioAAAA largeAAAFix
Aaon white
8.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.55:1failfailfail
  • AA: use #bc1ded as the text (4.54:1)
  • AAA: use #d268f3 as the text (7.01:1)
  • AA: or shift the background to #c2c2c2 (4.62:1)
  • AAA: or shift the background to #ededed (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #820da5 as the background.

Brands using this color

Fonts for this mood

#820da5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #820da5
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 #820da5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/820da5-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