Color

#4e87b7

#4e87b7
hex#4e87b7
rgbrgb(78, 135, 183)
hslhsl(207, 42%, 51%)
oklchoklch(0.605 0.095 245.7)
Closest name: steelblue (#4682b4)Relative luminance 0.2237

Colors that go with #4e87b7

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 →

#b77d4e

#4eb7b1 · #4e53b7

#b74e87 · #87b74e

Split-complementary

Open in tool →

#b74e53 · #b7b14e

#b14eb7 · #b77d4e · #53b74e

Contrast

#4e87b7 as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #447aa7 as the text (4.58:1)
  • AAA: use #325a7b as the text (7.28:1)
  • AA: or shift the background to #1a1a1a (4.54:1)
Aaon black
5.47:1passpassfail
  • AAA: use #6b9bc2 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e87b7 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

#4e87b7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e87b7
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 #4e87b7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e87b7-9cadc4-df4e53-1f212d-e9f1f1?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