Color

#5bd8fb

#5bd8fb
hex#5bd8fb
rgbrgb(91, 216, 251)
hslhsl(193, 95%, 67%)
oklchoklch(0.826 0.12 219.5)
Closest name: Sky Blue (#87ceeb)Relative luminance 0.583

Colors that go with #5bd8fb

Charcoal, Crimson and Dodger 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 →

#fb7e5b

#5bfbcd · #5b88fb

#fb5bd8 · #d8fb5b

Split-complementary

Open in tool →

#fb5b88 · #fbcd5b

#cd5bfb · #fb7e5b · #88fb5b

Contrast

#5bd8fb as textRatioAAAA largeAAAFix
Aaon white
1.66:1failfailfail
  • AA: use #047e9f as the text (4.68:1)
  • AAA: use #035e77 as the text (7.31:1)
  • AA: or shift the background to #545454 (4.57:1)
  • AAA: or shift the background to #383838 (7.07:1)
Aaon black
12.66:1passpasspassPasses 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 #5bd8fb 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

#5bd8fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bd8fb
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 #5bd8fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bd8fb-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