Color

#5bb2d2

#5bb2d2
hex#5bb2d2
rgbrgb(91, 178, 210)
hslhsl(196, 57%, 59%)
oklchoklch(0.722 0.096 224.6)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.3872

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d27b5b

#5bd2b6 · #5b77d2

#d25bb2 · #b2d25b

Split-complementary

Open in tool →

#d25b77 · #d2b65b

#b65bd2 · #d27b5b · #77d25b

Contrast

#5bb2d2 as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #2b7e9c as the text (4.6:1)
  • AAA: use #205e74 as the text (7.2:1)
  • AA: or shift the background to #3d3d3d (4.52:1)
  • AAA: or shift the background to #1c1c1c (7.1:1)
Aaon black
8.74:1passpasspassPasses 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 #5bb2d2 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

#5bb2d2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bb2d2
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 #5bb2d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb2d2-9cb5c4-df4e6e-1f232d-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