Color

#5bbcd7

#5bbcd7
hex#5bbcd7
rgbrgb(91, 188, 215)
hslhsl(193, 61%, 60%)
oklchoklch(0.747 0.099 218.6)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.431

Colors that go with #5bbcd7

Charcoal, Dark Salmon and Blush Pink 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 →

#d7765b

#5bd7b4 · #5b7ed7

#d75bbc · #bcd75b

Split-complementary

Open in tool →

#d75b7e · #d7b45b

#b45bd7 · #d7765b · #7ed75b

Contrast

#5bbcd7 as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #257f98 as the text (4.6:1)
  • AAA: use #1c6073 as the text (7.07:1)
  • AA: or shift the background to #424242 (4.6:1)
  • AAA: or shift the background to #242424 (7.11:1)
Aaon black
9.62:1passpasspassPasses 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 #5bbcd7 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

#5bbcd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bbcd7
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 #5bbcd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bbcd7-a2b5be-df4e75-1f242d-e9f1ef?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