Color

#1e9cd2

#1e9cd2
hex#1e9cd2
rgbrgb(30, 156, 210)
hslhsl(198, 75%, 47%)
oklchoklch(0.653 0.129 233.6)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2871

Colors that go with #1e9cd2

Charcoal, Orange Red 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 →

#d2541e

#1ed2ae · #1e42d2

#d21e9c · #9cd21e

Split-complementary

Open in tool →

#d21e42 · #d2ae1e

#ae1ed2 · #d2541e · #42d21e

Contrast

#1e9cd2 as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #187eaa as the text (4.56:1)
  • AAA: use #125d7d as the text (7.27:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.74:1passpassfail
  • AAA: use #1fa2db as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e9cd2 as the background.

Brands using this color

Fonts for this mood

#1e9cd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e9cd2
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 #1e9cd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e9cd2-9cb3c4-df4e69-1f232d-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