Color

#3341ff

#3341ff
hex#3341ff
rgbrgb(51, 65, 255)
hslhsl(236, 100%, 60%)
oklchoklch(0.514 0.272 269.1)
Closest name: C64 Blue (#003aff)Relative luminance 0.117

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fff133

#33a7ff · #8b33ff

#ff3341 · #41ff33

Split-complementary

Open in tool →

#ff8b33 · #a7ff33

#ff33a7 · #fff133 · #33ff8b

Contrast

#3341ff as textRatioAAAA largeAAAFix
Aaon white
6.29:1passpassfail
  • AAA: use #2432ff as the text (7.06:1)
Aaon black
3.34:1failpassfail
  • AA: use #5762ff as the text (4.6:1)
  • AAA: use #858dff as the text (7.25:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3341ff 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

#3341ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3341ff
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 #3341ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3341ff-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