Color

#63288f

#63288f
hex#63288f
rgbrgb(99, 40, 143)
hslhsl(274, 56%, 36%)
oklchoklch(0.415 0.163 306.8)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0615

Tints & shades

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

Harmonies

Complementary

Open in tool →

#558f28

#2f288f · #8f2888

#8f6328 · #288f63

Split-complementary

Open in tool →

#888f28 · #288f2f

#8f2f28 · #558f28 · #28888f

Contrast

#63288f as textRatioAAAA largeAAAFix
Aaon white
9.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #9a54cf as the text (4.54:1)
  • AAA: use #b380db as the text (7.03:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #63288f 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

#63288f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63288f
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 #63288f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63288f-b79cc4-c2cb62-2d1f2d-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