Color

#1246bf

#1246bf
hex#1246bf
rgbrgb(18, 70, 191)
hslhsl(222, 83%, 41%)
oklchoklch(0.448 0.197 263.2)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0827

Colors that go with #1246bf

Charcoal, Crimson and Steel 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 →

#bf8b12

#129dbf · #3412bf

#bf1246 · #46bf12

Split-complementary

Open in tool →

#bf3412 · #9dbf12

#bf129d · #bf8b12 · #12bf34

Contrast

#1246bf as textRatioAAAA largeAAAFix
Aaon white
7.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #366dec as the text (4.56:1)
  • AAA: use #6e96f2 as the text (7.31:1)
  • AA: or shift the background to #c4c4c4 (4.54:1)
  • AAA: or shift the background to #f2f2f2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1246bf as the background.

Brands using this color

Fonts for this mood

#1246bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1246bf
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 #1246bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1246bf-9ca3c4-df6e4e-211f2d-e9eff1?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