Color

#3336e1

#3336e1
hex#3336e1
rgbrgb(51, 54, 225)
hslhsl(239, 74%, 54%)
oklchoklch(0.468 0.247 270.9)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0878

Colors that go with #3336e1

Charcoal, Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e1de33

#338de1 · #8733e1

#e13336 · #36e133

Split-complementary

Open in tool →

#e18733 · #8de133

#e1338d · #e1de33 · #33e187

Contrast

#3336e1 as textRatioAAAA largeAAAFix
Aaon white
7.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #6466e8 as the text (4.61:1)
  • AAA: use #8c8dee as the text (7.16:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3336e1 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

#3336e1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3336e1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3336e1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3336e1-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