Color

#859eef

#859eef
hex#859eef
rgbrgb(133, 158, 239)
hslhsl(226, 77%, 73%)
oklchoklch(0.713 0.122 270.1)
Closest name: Cold Lips (#9ba0ef)Relative luminance 0.3567

Colors that go with #859eef

Charcoal, Deep Sky Blue and Emerald Green 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 →

#efd685

#85d3ef · #a185ef

#ef859e · #9eef85

Split-complementary

Open in tool →

#efa185 · #d3ef85

#ef85d3 · #efd685 · #85efa1

Contrast

#859eef as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #466ce7 as the text (4.61:1)
  • AAA: use #1c48d9 as the text (7.05:1)
  • AA: or shift the background to #383838 (4.54:1)
  • AAA: or shift the background to #141414 (7.14:1)
Aaon black
8.13:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #859eef as the background.

Brands using this color

Fonts for this mood

#859eef reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #859eef
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 #859eef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/859eef-9ca1c4-df774e-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