Color

#4f64ee

#4f64ee
hex#4f64ee
rgbrgb(79, 100, 238)
hslhsl(232, 82%, 62%)
oklchoklch(0.567 0.207 271.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1695

Colors that go with #4f64ee

Charcoal, Sea Green and Amber 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 →

#eed84f

#4fb3ee · #894fee

#ee4f64 · #64ee4f

Split-complementary

Open in tool →

#ee894f · #b3ee4f

#ee4fb3 · #eed84f · #4fee89

Contrast

#4f64ee as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #253fe9 as the text (7.08:1)
Aaon black
4.39:1failpassfail
  • AA: use #5368ee as the text (4.58:1)
  • AAA: use #8291f3 as the text (7.29:1)
  • AA: or shift the background to #fafafa (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f64ee as the background.

Brands using this color

Fonts for this mood

#4f64ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f64ee
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 #4f64ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f64ee-9c9dc4-df864e-231f2d-e9eef1?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