Color

#4b87e2

#4b87e2
hex#4b87e2
rgbrgb(75, 135, 226)
hslhsl(216, 72%, 59%)
oklchoklch(0.627 0.151 258.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2431

Colors that go with #4b87e2

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 →

#e2a64b

#4bd3e2 · #5a4be2

#e24b87 · #87e24b

Split-complementary

Open in tool →

#e25a4b · #d3e24b

#e24bd3 · #e2a64b · #4be25a

Contrast

#4b87e2 as textRatioAAAA largeAAAFix
Aaon white
3.58:1failpassfail
  • AA: use #2c73dd as the text (4.56:1)
  • AAA: use #1c55ab as the text (7.15:1)
  • AA: or shift the background to #1f1f1f (4.6:1)
Aaon black
5.86:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b87e2 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

#4b87e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b87e2
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 #4b87e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b87e2-9ca7c4-df5f4e-201f2d-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