Color

#5bb4cd

#5bb4cd
hex#5bb4cd
rgbrgb(91, 180, 205)
hslhsl(193, 53%, 58%)
oklchoklch(0.725 0.092 218.6)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3927

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd745b

#5bcdac · #5b7bcd

#cd5bb4 · #b4cd5b

Split-complementary

Open in tool →

#cd5b7b · #cdac5b

#ac5bcd · #cd745b · #7bcd5b

Contrast

#5bb4cd as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #2e7e94 as the text (4.64:1)
  • AAA: use #236071 as the text (7.04:1)
  • AA: or shift the background to #3d3d3d (4.58:1)
  • AAA: or shift the background to #1c1c1c (7.19:1)
Aaon black
8.85:1passpasspassPasses 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 #5bb4cd 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

#5bb4cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bb4cd
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 #5bb4cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb4cd-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