Color

#4e73ef

#4e73ef
hex#4e73ef
rgbrgb(78, 115, 239)
hslhsl(226, 83%, 62%)
oklchoklch(0.596 0.191 267.7)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2011

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efc94e

#4ec4ef · #794eef

#ef4e73 · #73ef4e

Split-complementary

Open in tool →

#ef794e · #c4ef4e

#ef4ec4 · #efc94e · #4eef79

Contrast

#4e73ef as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #446cee as the text (4.54:1)
  • AAA: use #1544e0 as the text (7.15:1)
  • AA: or shift the background to #0f0f0f (4.58:1)
Aaon black
5.02:1passpassfail
  • AAA: use #7391f2 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e73ef 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

#4e73ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e73ef
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 #4e73ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e73ef-9ca1c4-df774e-221f2d-e9eff1?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