Color

#5bcde1

#5bcde1
hex#5bcde1
rgbrgb(91, 205, 225)
hslhsl(189, 69%, 62%)
oklchoklch(0.79 0.106 210.8)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5132

Colors that go with #5bcde1

Charcoal, Dark Salmon and Crimson 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 →

#e16f5b

#5be1b2 · #5b8ae1

#e15bcd · #cde15b

Split-complementary

Open in tool →

#e15b8a · #e1b25b

#b25be1 · #e16f5b · #8ae15b

Contrast

#5bcde1 as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #1b8193 as the text (4.56:1)
  • AAA: use #145f6c as the text (7.28:1)
  • AA: or shift the background to #4d4d4d (4.53:1)
  • AAA: or shift the background to #303030 (7.08:1)
Aaon black
11.26:1passpasspassPasses 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 #5bcde1 as the background.

Brands using this color

Fonts for this mood

#5bcde1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bcde1
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 #5bcde1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bcde1-a2b7be-df4e7e-1f252d-e9f1ee?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