Color

#4f79ee

#4f79ee
hex#4f79ee
rgbrgb(79, 121, 238)
hslhsl(224, 82%, 62%)
oklchoklch(0.607 0.182 266.2)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2151

Colors that go with #4f79ee

Charcoal, Crimson and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eec34f

#4fc8ee · #744fee

#ee4f79 · #79ee4f

Split-complementary

Open in tool →

#ee744f · #c8ee4f

#ee4fc8 · #eec34f · #4fee74

Contrast

#4f79ee as textRatioAAAA largeAAAFix
Aaon white
3.96:1failpassfail
  • AA: use #416eec as the text (4.5:1)
  • AAA: use #1548d5 as the text (7.19:1)
  • AA: or shift the background to #171717 (4.53:1)
Aaon black
5.3:1passpassfail
  • AAA: use #6f92f1 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 #4f79ee 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

#4f79ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f79ee
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4f79ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f79ee-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