Color

#5bb5c2

#5bb5c2
hex#5bb5c2
rgbrgb(91, 181, 194)
hslhsl(188, 46%, 56%)
oklchoklch(0.723 0.088 207.8)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3917

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#c2695b

#5bc29d · #5b81c2

#c25bb5 · #b5c25b

Split-complementary

Open in tool →

#c25b81 · #c29d5b

#9d5bc2 · #c2695b · #81c25b

Contrast

#5bb5c2 as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #337e8a as the text (4.67:1)
  • AAA: use #275f68 as the text (7.18:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.17:1)
Aaon black
8.83:1passpasspassPasses 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 #5bb5c2 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

#5bb5c2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bb5c2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5bb5c2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb5c2-a2b7be-df4e81-1f252d-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