Color

#4e79ef

#4e79ef
hex#4e79ef
rgbrgb(78, 121, 239)
hslhsl(224, 83%, 62%)
oklchoklch(0.608 0.184 266)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2153

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efc44e

#4ec9ef · #734eef

#ef4e79 · #79ef4e

Split-complementary

Open in tool →

#ef734e · #c9ef4e

#ef4ec9 · #efc44e · #4eef73

Contrast

#4e79ef as textRatioAAAA largeAAAFix
Aaon white
3.96:1failpassfail
  • AA: use #3b6aed as the text (4.7:1)
  • AAA: use #1448d7 as the text (7.15:1)
  • AA: or shift the background to #171717 (4.53:1)
Aaon black
5.31:1passpassfail
  • AAA: use #7395f2 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e79ef 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

#4e79ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e79ef
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 #4e79ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e79ef-9ca2c4-df724e-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