Color

#4349ef

#4349ef
hex#4349ef
rgbrgb(67, 73, 239)
hslhsl(238, 84%, 60%)
oklchoklch(0.517 0.242 272.6)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1219

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efe943

#439fef · #9343ef

#ef4349 · #49ef43

Split-complementary

Open in tool →

#ef9343 · #9fef43

#ef439f · #efe943 · #43ef93

Contrast

#4349ef as textRatioAAAA largeAAAFix
Aaon white
6.11:1passpassfail
Aaon black
3.44:1failpassfail
  • AA: use #5f64f1 as the text (4.58:1)
  • AAA: use #8a8df5 as the text (7.21:1)
  • AA: or shift the background to #dedede (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 #4349ef 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

#4349ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4349ef
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 #4349ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4349ef-9f9cc4-df944e-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