Color

#1285ba

#1285ba
hex#1285ba
rgbrgb(18, 133, 186)
hslhsl(199, 82%, 40%)
oklchoklch(0.584 0.122 236.5)
Closest name: steelblue (#4682b4)Relative luminance 0.2045

Colors that go with #1285ba

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba4712

#12ba9b · #1231ba

#ba1285 · #85ba12

Split-complementary

Open in tool →

#ba1231 · #ba9b12

#9b12ba · #ba4712 · #31ba12

Contrast

#1285ba as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #117eb0 as the text (4.53:1)
  • AAA: use #0d5d82 as the text (7.23:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #169fdf as the text (7.06:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/1285ba-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