Color

#5bbcd2

#5bbcd2
hex#5bbcd2
rgbrgb(91, 188, 210)
hslhsl(191, 57%, 59%)
oklchoklch(0.745 0.096 214.7)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4284

Colors that go with #5bbcd2

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 →

#d2715b

#5bd2ac · #5b81d2

#d25bbc · #bcd25b

Split-complementary

Open in tool →

#d25b81 · #d2ac5b

#ac5bd2 · #d2715b · #81d25b

Contrast

#5bbcd2 as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #298094 as the text (4.56:1)
  • AAA: use #1e5e6c as the text (7.31:1)
  • AA: or shift the background to #424242 (4.58:1)
  • AAA: or shift the background to #242424 (7.07:1)
Aaon black
9.57:1passpasspassPasses 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 #5bbcd2 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

#5bbcd2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bbcd2
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 #5bbcd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bbcd2-a2b6be-df4e7a-1f252d-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