Color

#5bddfb

#5bddfb
hex#5bddfb
rgbrgb(91, 221, 251)
hslhsl(191, 95%, 67%)
oklchoklch(0.837 0.12 215.7)
Closest name: skyblue (#87ceeb)Relative luminance 0.609

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb785b

#5bfbc8 · #5b8efb

#fb5bdd · #ddfb5b

Split-complementary

Open in tool →

#fb5b8e · #fbc85b

#c85bfb · #fb785b · #8efb5b

Contrast

#5bddfb as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #047f9a as the text (4.66:1)
  • AAA: use #035e72 as the text (7.37:1)
  • AA: or shift the background to #575757 (4.54:1)
  • AAA: or shift the background to #3b3b3b (7.03:1)
Aaon black
13.18:1passpasspassPasses 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 #5bddfb 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

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

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

tool url/palettes/new/5bddfb-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