Color

#3636ec

#3636ec
hex#3636ec
rgbrgb(54, 54, 236)
hslhsl(240, 83%, 57%)
oklchoklch(0.481 0.259 271.2)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0948

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecec36

#3691ec · #9136ec

#ec3636 · #36ec36

Split-complementary

Open in tool →

#ec9136 · #91ec36

#ec3691 · #ecec36 · #36ec91

Contrast

#3636ec as textRatioAAAA largeAAAFix
Aaon white
7.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #6565f1 as the text (4.68:1)
  • AAA: use #8a8af4 as the text (7.02:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (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 #3636ec 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

#3636ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3636ec
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 #3636ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3636ec-a19cc4-df994e-251f2d-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