Color

#3633fa

#3633fa
hex#3633fa
rgbrgb(54, 51, 250)
hslhsl(241, 95%, 59%)
oklchoklch(0.493 0.277 270.7)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.1005

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f6fa33

#3393fa · #9a33fa

#fa3633 · #33fa36

Split-complementary

Open in tool →

#fa9a33 · #93fa33

#fa3393 · #f6fa33 · #33fa9a

Contrast

#3633fa as textRatioAAAA largeAAAFix
Aaon white
6.97:1passpassfail
  • AAA: use #322efa as the text (7.22:1)
Aaon black
3.01:1failpassfail
  • AA: use #6260fb as the text (4.59:1)
  • AAA: use #8a88fc as the text (7.01:1)
  • AA: or shift the background to #d1d1d1 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3633fa 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

#3633fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3633fa
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 #3633fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3633fa-a19cc4-df9b4e-261f2d-e9edf1?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