Color

#1a93cb

#1a93cb
hex#1a93cb
rgbrgb(26, 147, 203)
hslhsl(199, 77%, 45%)
oklchoklch(0.628 0.128 235.9)
Closest name: Blue Burst (#309cd0)Relative luminance 0.254

Colors that go with #1a93cb

Charcoal, 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 →

#cb521a

#1acbab · #1a3bcb

#cb1a93 · #93cb1a

Split-complementary

Open in tool →

#cb1a3b · #cbab1a

#ab1acb · #cb521a · #3bcb1a

Contrast

#1a93cb as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #167cac as the text (4.65:1)
  • AAA: use #115f83 as the text (7.03:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.08:1passpassfail
  • AAA: use #1da0dd as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a93cb as the background.

Brands using this color

Fonts for this mood

#1a93cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a93cb
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 #1a93cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a93cb-9cb3c4-df4e66-1f232d-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