Color

#633fa2

#633fa2
hex#633fa2
rgbrgb(99, 63, 162)
hslhsl(262, 44%, 44%)
oklchoklch(0.461 0.153 296.7)
Closest name: rebeccapurple (#663399)Relative luminance 0.0882

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7da23f

#3f4ca2 · #943fa2

#a2633f · #3fa263

Split-complementary

Open in tool →

#a2943f · #4ca23f

#a23f4c · #7da23f · #3fa294

Contrast

#633fa2 as textRatioAAAA largeAAAFix
Aaon white
7.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #8765c3 as the text (4.68:1)
  • AAA: use #a489d1 as the text (7.08:1)
  • AA: or shift the background to #c9c9c9 (4.59:1)
  • AAA: or shift the background to #f7f7f7 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #633fa2 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

#633fa2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #633fa2
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 #633fa2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/633fa2-af9cc4-dfce4e-2a1f2d-e9eaf1?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