Color

#660eaf

#660eaf
hex#660eaf
rgbrgb(102, 14, 175)
hslhsl(273, 85%, 37%)
oklchoklch(0.426 0.217 300.8)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0623

Tints & shades

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

Harmonies

Complementary

Open in tool →

#56af0e

#160eaf · #af0ea7

#af660e · #0eaf66

Split-complementary

Open in tool →

#a7af0e · #0eaf16

#af160e · #56af0e · #0ea7af

Contrast

#660eaf as textRatioAAAA largeAAAFix
Aaon white
9.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #a242f0 as the text (4.57:1)
  • AAA: use #bb76f4 as the text (7.01:1)
  • AA: or shift the background to #b5b5b5 (4.56:1)
  • AAA: or shift the background to #e0e0e0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #660eaf 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

#660eaf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #660eaf
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 #660eaf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/660eaf-b79cc4-c4cb62-2d1f2d-eae9f1?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