Color

#5dade9

#5dade9
hex#5dade9
rgbrgb(93, 173, 233)
hslhsl(206, 76%, 64%)
oklchoklch(0.721 0.118 243.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.381

Colors that go with #5dade9

Charcoal, Peru 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 →

#e99a5d

#5de9e0 · #5d67e9

#e95dad · #ade95d

Split-complementary

Open in tool →

#e95d67 · #e9e05d

#e05de9 · #e99a5d · #67e95d

Contrast

#5dade9 as textRatioAAAA largeAAAFix
Aaon white
2.44:1failfailfail
  • AA: use #1a79c1 as the text (4.62:1)
  • AAA: use #145a90 as the text (7.25:1)
  • AA: or shift the background to #3b3b3b (4.6:1)
  • AAA: or shift the background to #1a1a1a (7.14:1)
Aaon black
8.62:1passpasspassPasses 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 #5dade9 as the background.

Brands using this color

Fonts for this mood

#5dade9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5dade9
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 #5dade9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5dade9-9caec4-df4e56-1f212d-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