Color

#5baefb

#5baefb
hex#5baefb
rgbrgb(91, 174, 251)
hslhsl(209, 95%, 67%)
oklchoklch(0.732 0.139 248.7)
Closest name: Cerulean (#55aaee)Relative luminance 0.3946

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fba85b

#5bfbf8 · #5b5efb

#fb5bae · #aefb5b

Split-complementary

Open in tool →

#fb5b5e · #fbf85b

#f85bfb · #fba85b · #5efb5b

Contrast

#5baefb as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #0674db as the text (4.64:1)
  • AAA: use #0457a4 as the text (7.23:1)
  • AA: or shift the background to #3d3d3d (4.6:1)
  • AAA: or shift the background to #1c1c1c (7.22:1)
Aaon black
8.89:1passpasspassPasses 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 #5baefb as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/5baefb-9cacc4-df4e4e-1f212d-e9f1f1?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