Color

#5679eb

#5679eb
hex#5679eb
rgbrgb(86, 121, 235)
hslhsl(226, 79%, 63%)
oklchoklch(0.609 0.176 268)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2165

Colors that go with #5679eb

Charcoal, Crimson and Sea 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 →

#ebc856

#56c3eb · #7e56eb

#eb5679 · #79eb56

Split-complementary

Open in tool →

#eb7e56 · #c3eb56

#eb56c3 · #ebc856 · #56eb7e

Contrast

#5679eb as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #446ae9 as the text (4.68:1)
  • AAA: use #1a47db as the text (7.08:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.33:1passpassfail
  • AAA: use #7692ef as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5679eb as the background.

Brands using this color

Fonts for this mood

#5679eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5679eb
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 #5679eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5679eb-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