Color

#4e8bda

#4e8bda
hex#4e8bda
rgbrgb(78, 139, 218)
hslhsl(214, 65%, 58%)
oklchoklch(0.632 0.136 255.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2515

Colors that go with #4e8bda

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 →

#da9d4e

#4ed0da · #584eda

#da4e8b · #8bda4e

Split-complementary

Open in tool →

#da584e · #d0da4e

#da4ed0 · #da9d4e · #4eda58

Contrast

#4e8bda as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #2d74d2 as the text (4.63:1)
  • AAA: use #21569c as the text (7.3:1)
  • AA: or shift the background to #212121 (4.62:1)
Aaon black
6.03:1passpassfail
  • AAA: use #6398de as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4e8bda as the background.

Brands using this color

Fonts for this mood

#4e8bda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4e8bda
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 #4e8bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4e8bda-9ca9c4-df5a4e-1f1f2d-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