Color

#3336eb

#3336eb
hex#3336eb
rgbrgb(51, 54, 235)
hslhsl(239, 82%, 56%)
oklchoklch(0.479 0.259 270.5)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0934

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebe833

#3392eb · #8c33eb

#eb3336 · #36eb33

Split-complementary

Open in tool →

#eb8c33 · #92eb33

#eb3392 · #ebe833 · #33eb8c

Contrast

#3336eb as textRatioAAAA largeAAAFix
Aaon white
7.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.87:1failfailfail
  • AA: use #6164ef as the text (4.58:1)
  • AAA: use #8b8df4 as the text (7.21:1)
  • AA: or shift the background to #cccccc (4.56:1)
  • AAA: or shift the background to #fafafa (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3336eb 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

#3336eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3336eb
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 #3336eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3336eb-a09cc4-df964e-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