Color

#12748c

#12748c
hex#12748c
rgbrgb(18, 116, 140)
hslhsl(192, 77%, 31%)
oklchoklch(0.518 0.09 219.9)
Closest name: Blue Fjord (#007290)Relative luminance 0.1451

Colors that go with #12748c

Charcoal, Crimson and Rust 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 #12748c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c2b12

#128c67 · #12378c

#8c1274 · #748c12

Split-complementary

Open in tool →

#8c1237 · #8c6712

#67128c · #8c2b12 · #378c12

Contrast

#12748c as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #0f6175 as the text (7.03:1)
Aaon black
3.9:1failpassfail
  • AA: use #147f99 as the text (4.53:1)
  • AAA: use #1aa4c7 as the text (7.18:1)
  • AA: or shift the background to #ebebeb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12748c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#12748c reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12748c
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 #12748c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12748c-a2b5be-df4e77-1f242d-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