Color

#840ba2

#840ba2
hex#840ba2
rgbrgb(132, 11, 162)
hslhsl(288, 87%, 34%)
oklchoklch(0.456 0.215 317.5)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0775

Tints & shades

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

Harmonies

Complementary

Open in tool →

#29a20b

#390ba2 · #a20b75

#a2840b · #0ba284

Split-complementary

Open in tool →

#75a20b · #0ba239

#a2390b · #29a20b · #0b75a2

Contrast

#840ba2 as textRatioAAAA largeAAAFix
Aaon white
8.23:1passpasspassPasses AAA — no fix needed.
Aaon black
2.55:1failfailfail
  • AA: use #c211ee as the text (4.61:1)
  • AAA: use #d866f4 as the text (7.13:1)
  • 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 #840ba2 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

#840ba2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #840ba2
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 #840ba2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/840ba2-be9fc1-aacb62-2d1f2a-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