Color

#4c74eb

#4c74eb
hex#4c74eb
rgbrgb(76, 116, 235)
hslhsl(225, 80%, 61%)
oklchoklch(0.594 0.185 266.7)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2003

Colors that go with #4c74eb

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 →

#ebc34c

#4cc3eb · #744ceb

#eb4c74 · #74eb4c

Split-complementary

Open in tool →

#eb744c · #c3eb4c

#eb4cc3 · #ebc34c · #4ceb74

Contrast

#4c74eb as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #436dea as the text (4.55:1)
  • AAA: use #1848d8 as the text (7.1:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #7594f0 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c74eb 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

#4c74eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c74eb
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 #4c74eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c74eb-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