Color

#4b7cdd

#4b7cdd
hex#4b7cdd
rgbrgb(75, 124, 221)
hslhsl(220, 68%, 58%)
oklchoklch(0.6 0.157 262.5)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2113

Colors that go with #4b7cdd

Charcoal, Copper 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 →

#ddac4b

#4bc4dd · #634bdd

#dd4b7c · #7cdd4b

Split-complementary

Open in tool →

#dd634b · #c4dd4b

#dd4bc4 · #ddac4b · #4bdd63

Contrast

#4b7cdd as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #3e72da as the text (4.54:1)
  • AAA: use #2253b4 as the text (7.08:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.23:1passpassfail
  • AAA: use #6d95e3 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 #4b7cdd 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

#4b7cdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b7cdd
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 #4b7cdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b7cdd-9ca5c4-df694e-211f2d-e9f0f1?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