Color

#4f74ee

#4f74ee
hex#4f74ee
rgbrgb(79, 116, 238)
hslhsl(226, 82%, 62%)
oklchoklch(0.597 0.188 267.7)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2033

Colors that go with #4f74ee

Charcoal, Crimson 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 →

#eec84f

#4fc3ee · #794fee

#ee4f74 · #74ee4f

Split-complementary

Open in tool →

#ee794f · #c3ee4f

#ee4fc3 · #eec84f · #4fee79

Contrast

#4f74ee as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #456ced as the text (4.54:1)
  • AAA: use #1645df as the text (7.12:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #7491f1 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 #4f74ee 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

#4f74ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f74ee
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 #4f74ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f74ee-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