Color

#5bbcdc

#5bbcdc
hex#5bbcdc
rgbrgb(91, 188, 220)
hslhsl(195, 65%, 61%)
oklchoklch(0.749 0.102 222.4)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4336

Colors that go with #5bbcdc

Charcoal, Dark Salmon 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 →

#dc7b5b

#5bdcbc · #5b7bdc

#dc5bbc · #bcdc5b

Split-complementary

Open in tool →

#dc5b7b · #dcbc5b

#bc5bdc · #dc7b5b · #7bdc5b

Contrast

#5bbcdc as textRatioAAAA largeAAAFix
Aaon white
2.17:1failfailfail
  • AA: use #2280a0 as the text (4.5:1)
  • AAA: use #195f76 as the text (7.14:1)
  • AA: or shift the background to #424242 (4.63:1)
  • AAA: or shift the background to #242424 (7.15:1)
Aaon black
9.67:1passpasspassPasses 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 #5bbcdc 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

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

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

tool url/palettes/new/5bbcdc-9cb5c4-df4e70-1f242d-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