Color

#4e79f9

#4e79f9
hex#4e79f9
rgbrgb(78, 121, 249)
hslhsl(225, 93%, 64%)
oklchoklch(0.615 0.197 266.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2213

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f9ce4e

#4ecef9 · #794ef9

#f94e79 · #79f94e

Split-complementary

Open in tool →

#f9794e · #cef94e

#f94ece · #f9ce4e · #4ef979

Contrast

#4e79f9 as textRatioAAAA largeAAAFix
Aaon white
3.87:1failpassfail
  • AA: use #3a6af8 as the text (4.57:1)
  • AAA: use #0941ec as the text (7.05:1)
  • AA: or shift the background to #171717 (4.63:1)
Aaon black
5.43:1passpassfail
  • AAA: use #7093fa as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e79f9 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

#4e79f9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e79f9
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 #4e79f9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e79f9-9ca1c4-df754e-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