Color

#859cfa

#859cfa
hex#859cfa
rgbrgb(133, 156, 250)
hslhsl(228, 92%, 75%)
oklchoklch(0.715 0.14 272.1)
Closest name: Cold Lips (#9ba0ef)Relative luminance 0.3567

Colors that go with #859cfa

Charcoal, Deep Sky Blue and Goldenrod 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 →

#fae285

#85d7fa · #a885fa

#fa859c · #9cfa85

Split-complementary

Open in tool →

#faa885 · #d7fa85

#fa85d7 · #fae285 · #85faa8

Contrast

#859cfa as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #4569f7 as the text (4.55:1)
  • AAA: use #0a39f5 as the text (7.2:1)
  • AA: or shift the background to #383838 (4.54:1)
  • AAA: or shift the background to #141414 (7.13:1)
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 #859cfa as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/859cfa-9c9fc4-df7c4e-231f2d-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