Color

#3936ec

#3936ec
hex#3936ec
rgbrgb(57, 54, 236)
hslhsl(241, 83%, 57%)
oklchoklch(0.483 0.258 271.9)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0956

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e9ec36

#368eec · #9436ec

#ec3936 · #36ec39

Split-complementary

Open in tool →

#ec9436 · #8eec36

#ec368e · #e9ec36 · #36ec94

Contrast

#3936ec as textRatioAAAA largeAAAFix
Aaon white
7.21:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #6765f1 as the text (4.71:1)
  • AAA: use #8c8af4 as the text (7.06:1)
  • AA: or shift the background to #cfcfcf (4.63:1)
  • AAA: or shift the background to #fcfcfc (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3936ec 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

#3936ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3936ec
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 #3936ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3936ec-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