Color

#1fa2db

#1fa2db
hex#1fa2db
rgbrgb(31, 162, 219)
hslhsl(198, 75%, 49%)
oklchoklch(0.672 0.134 234)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3125

Colors that go with #1fa2db

Charcoal, Tomato and Bronze 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 →

#db571f

#1fdbb5 · #1f45db

#db1fa2 · #a2db1f

Split-complementary

Open in tool →

#db1f45 · #dbb51f

#b51fdb · #db571f · #45db1f

Contrast

#1fa2db as textRatioAAAA largeAAAFix
Aaon white
2.9:1failfailfail
  • AA: use #187eaa as the text (4.56:1)
  • AAA: use #125d7d as the text (7.27:1)
  • AA: or shift the background to #303030 (4.56:1)
  • AAA: or shift the background to #050505 (7.04:1)
Aaon black
7.25:1passpasspassPasses 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 #1fa2db as the background.

Brands using this color

Fonts for this mood

#1fa2db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fa2db
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 #1fa2db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fa2db-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