Color

#3340fa

#3340fa
hex#3340fa
rgbrgb(51, 64, 250)
hslhsl(236, 95%, 59%)
oklchoklch(0.507 0.267 269.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.1127

Tints & shades

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

Harmonies

Complementary

Open in tool →

#faed33

#33a4fa · #8933fa

#fa3340 · #40fa33

Split-complementary

Open in tool →

#fa8933 · #a4fa33

#fa33a4 · #faed33 · #33fa89

Contrast

#3340fa as textRatioAAAA largeAAAFix
Aaon white
6.45:1passpassfail
  • AAA: use #2432f9 as the text (7.24:1)
Aaon black
3.25:1failpassfail
  • AA: use #5b66fb as the text (4.74:1)
  • AAA: use #838bfc as the text (7.06:1)
  • AA: or shift the background to #d9d9d9 (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 #3340fa 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

#3340fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3340fa
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 #3340fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3340fa-9e9cc4-df8f4e-241f2d-e9eef1?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