Color

#1fbae5

#1fbae5
hex#1fbae5
rgbrgb(31, 186, 229)
hslhsl(193, 79%, 51%)
oklchoklch(0.734 0.132 223.2)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4107

Colors that go with #1fbae5

Charcoal, Denim 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 →

#e54a1f

#1fe5ad · #1f57e5

#e51fba · #bae51f

Split-complementary

Open in tool →

#e51f57 · #e5ad1f

#ad1fe5 · #e54a1f · #57e51f

Contrast

#1fbae5 as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #127e9b as the text (4.68:1)
  • AAA: use #0e6077 as the text (7.1:1)
  • AA: or shift the background to #404040 (4.55:1)
  • AAA: or shift the background to #212121 (7.06:1)
Aaon black
9.21:1passpasspassPasses 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 #1fbae5 as the background.

Brands using this color

Fonts for this mood

#1fbae5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fbae5
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 #1fbae5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fbae5-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