Color

#1bc9fe

#1bc9fe
hex#1bc9fe
rgbrgb(27, 201, 254)
hslhsl(194, 99%, 55%)
oklchoklch(0.78 0.146 226.2)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4916

Colors that go with #1bc9fe

Charcoal, Midnight Blue and Royal 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 →

#fe501b

#1bfec1 · #1b57fe

#fe1bc9 · #c9fe1b

Split-complementary

Open in tool →

#fe1b57 · #fec11b

#c11bfe · #fe501b · #57fe1b

Contrast

#1bc9fe as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #017da2 as the text (4.71:1)
  • AAA: use #015e7a as the text (7.28:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2e2e2e (7:1)
Aaon black
10.83:1passpasspassPasses 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 #1bc9fe 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

#1bc9fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1bc9fe
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 #1bc9fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bc9fe-9cb6c4-df4e72-1f242d-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