Color

#1fb1ea

#1fb1ea
hex#1fb1ea
rgbrgb(31, 177, 234)
hslhsl(197, 83%, 52%)
oklchoklch(0.715 0.139 231.6)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.3768

Colors that go with #1fb1ea

Charcoal, Amber and Dark Orange 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 →

#ea591f

#1feabe · #1f4bea

#ea1fb1 · #b1ea1f

Split-complementary

Open in tool →

#ea1f4b · #eabe1f

#be1fea · #ea591f · #4bea1f

Contrast

#1fb1ea as textRatioAAAA largeAAAFix
Aaon white
2.46:1failfailfail
  • AA: use #107da8 as the text (4.65:1)
  • AAA: use #0c5e7e as the text (7.2:1)
  • AA: or shift the background to #3b3b3b (4.55:1)
  • AAA: or shift the background to #1a1a1a (7.07:1)
Aaon black
8.54:1passpasspassPasses 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 #1fb1ea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1fb1ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fb1ea
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 #1fb1ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fb1ea-9cb4c4-df4e6b-1f232d-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