Color

#1bb2f8

#1bb2f8
hex#1bb2f8
rgbrgb(27, 178, 248)
hslhsl(199, 94%, 54%)
oklchoklch(0.724 0.152 236.7)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.3885

Colors that go with #1bb2f8

Charcoal, Dark Orange and Amber 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 →

#f8611b

#1bf8d0 · #1b44f8

#f81bb2 · #b2f81b

Split-complementary

Open in tool →

#f81b44 · #f8d01b

#d01bf8 · #f8611b · #44f81b

Contrast

#1bb2f8 as textRatioAAAA largeAAAFix
Aaon white
2.39:1failfailfail
  • AA: use #067bb2 as the text (4.68:1)
  • AAA: use #045d86 as the text (7.2:1)
  • AA: or shift the background to #3d3d3d (4.54:1)
  • AAA: or shift the background to #1c1c1c (7.12:1)
Aaon black
8.77:1passpasspassPasses 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 #1bb2f8 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1bb2f8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1bb2f8
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 #1bb2f8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bb2f8-9cb3c4-df4e66-1f232d-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