Color

#1ba4da

#1ba4da
hex#1ba4da
rgbrgb(27, 164, 218)
hslhsl(197, 78%, 48%)
oklchoklch(0.676 0.132 232)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3185

Colors that go with #1ba4da

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 →

#da511b

#1bdab1 · #1b44da

#da1ba4 · #a4da1b

Split-complementary

Open in tool →

#da1b44 · #dab11b

#b11bda · #da511b · #44da1b

Contrast

#1ba4da as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #157ea8 as the text (4.58:1)
  • AAA: use #0f5c7b as the text (7.4:1)
  • AA: or shift the background to #303030 (4.63:1)
  • AAA: or shift the background to #080808 (7.03:1)
Aaon black
7.37:1passpasspassPasses 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 #1ba4da as the background.

Brands using this color

Fonts for this mood

#1ba4da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1ba4da
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 #1ba4da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ba4da-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