Color

#6503aa

#6503aa
hex#6503aa
rgbrgb(101, 3, 170)
hslhsl(275, 97%, 34%)
oklchoklch(0.415 0.217 302.1)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0573

Tints & shades

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

Harmonies

Complementary

Open in tool →

#49ab03

#1103ab · #ab039d

#ab6503 · #03ab65

Split-complementary

Open in tool →

#9dab03 · #03ab11

#ab1103 · #49ab03 · #039dab

Contrast

#6503aa as textRatioAAAA largeAAAFix
Aaon white
9.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #a936fc as the text (4.62:1)
  • AAA: use #c372fd as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.51:1)
  • AAA: or shift the background to #dbdbdb (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6503aa 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

#6503aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6503aa
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 #6503aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6503aa-b89cc4-c0cb62-2d1f2d-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