Color

#5bc5fb

#5bc5fb
hex#5bc5fb
rgbrgb(91, 197, 251)
hslhsl(200, 95%, 67%)
oklchoklch(0.783 0.124 233.7)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4912

Colors that go with #5bc5fb

Charcoal, Dark Orange and Midnight Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb905b

#5bfbe0 · #5b76fb

#fb5bc5 · #c5fb5b

Split-complementary

Open in tool →

#fb5b76 · #fbe05b

#e05bfb · #fb905b · #76fb5b

Contrast

#5bc5fb as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #057cb8 as the text (4.58:1)
  • AAA: use #045e8b as the text (7.05:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2b2b2b (7.3:1)
Aaon black
10.82:1passpasspassPasses 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 #5bc5fb 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

#5bc5fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bc5fb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5bc5fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bc5fb-9cb2c4-df4e64-1f232d-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