Color

#1e9fc2

#1e9fc2
hex#1e9fc2
rgbrgb(30, 159, 194)
hslhsl(193, 73%, 44%)
oklchoklch(0.653 0.115 222.1)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2897

Colors that go with #1e9fc2

Charcoal, Amber and 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.

Real palettes that use #1e9fc2

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#c2421e

#1ec294 · #1e4dc2

#c21e9f · #9fc21e

Split-complementary

Open in tool →

#c21e4d · #c2941e

#941ec2 · #c2421e · #4dc21e

Contrast

#1e9fc2 as textRatioAAAA largeAAAFix
Aaon white
3.09:1failpassfail
  • AA: use #187e9a as the text (4.68:1)
  • AAA: use #125e73 as the text (7.31:1)
  • AA: or shift the background to #2b2b2b (4.58:1)
Aaon black
6.79:1passpassfail
  • AAA: use #1fa2c7 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e9fc2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1e9fc2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e9fc2
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 #1e9fc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e9fc2-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