Color

#5bc3fb

#5bc3fb
hex#5bc3fb
rgbrgb(91, 195, 251)
hslhsl(201, 95%, 67%)
oklchoklch(0.778 0.125 235.1)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4822

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb935b

#5bfbe3 · #5b73fb

#fb5bc3 · #c3fb5b

Split-complementary

Open in tool →

#fb5b73 · #fbe35b

#e35bfb · #fb935b · #73fb5b

Contrast

#5bc3fb as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #0579b8 as the text (4.74:1)
  • AAA: use #045c8b as the text (7.22:1)
  • AA: or shift the background to #474747 (4.71:1)
  • AAA: or shift the background to #2b2b2b (7.18:1)
Aaon black
10.64:1passpasspassPasses 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 #5bc3fb 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

#5bc3fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bc3fb
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 #5bc3fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bc3fb-9cb1c4-df4e62-1f222d-e9f1f0?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