Color

#5cb4eb

#5cb4eb
hex#5cb4eb
rgbrgb(92, 180, 235)
hslhsl(203, 78%, 64%)
oklchoklch(0.738 0.116 238.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.4092

Colors that go with #5cb4eb

Charcoal, Sandy Brown 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 →

#eb925c

#5cebda · #5c6ceb

#eb5cb4 · #b4eb5c

Split-complementary

Open in tool →

#eb5c6c · #ebda5c

#da5ceb · #eb925c · #6ceb5c

Contrast

#5cb4eb as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #177cba as the text (4.54:1)
  • AAA: use #115d8d as the text (7.06:1)
  • AA: or shift the background to #404040 (4.53:1)
  • AAA: or shift the background to #212121 (7.04:1)
Aaon black
9.18:1passpasspassPasses 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 #5cb4eb as the background.

Brands using this color

Fonts for this mood

#5cb4eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5cb4eb
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 #5cb4eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5cb4eb-9cb0c4-df4e5d-1f222d-e9f1f0?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