Color

#56a6eb

#56a6eb
hex#56a6eb
rgbrgb(86, 166, 235)
hslhsl(208, 79%, 63%)
oklchoklch(0.704 0.129 246.9)
Closest name: Cerulean (#55aaee)Relative luminance 0.3525

Colors that go with #56a6eb

Charcoal, Medium Sea Green and Peru 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 →

#eb9c56

#56ebe6 · #565beb

#eb56a6 · #a6eb56

Split-complementary

Open in tool →

#eb565b · #ebe656

#e656eb · #eb9c56 · #5beb56

Contrast

#56a6eb as textRatioAAAA largeAAAFix
Aaon white
2.61:1failfailfail
  • AA: use #1879cd as the text (4.51:1)
  • AAA: use #125b9b as the text (7.01:1)
  • AA: or shift the background to #363636 (4.63:1)
  • AAA: or shift the background to #141414 (7.06:1)
Aaon black
8.05:1passpasspassPasses 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 #56a6eb 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

#56a6eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #56a6eb
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 #56a6eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56a6eb-9cadc4-df4e51-1f212d-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