Color

#1285ab

#1285ab
hex#1285ab
rgbrgb(18, 133, 171)
hslhsl(195, 81%, 37%)
oklchoklch(0.577 0.108 227.7)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1984

Colors that go with #1285ab

Charcoal, Crimson and Royal 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 #1285ab

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab3812

#12ab85 · #1238ab

#ab1285 · #85ab12

Split-complementary

Open in tool →

#ab1238 · #ab8512

#8512ab · #ab3812 · #38ab12

Contrast

#1285ab as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #117da2 as the text (4.69:1)
  • AAA: use #0d5d78 as the text (7.36:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.97:1passpassfail
  • AAA: use #16a1d0 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1285ab as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1285ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1285ab
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 #1285ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1285ab-9cb5c4-df4e70-1f242d-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