Color

#12849b

#12849b
hex#12849b
rgbrgb(18, 132, 155)
hslhsl(190, 79%, 34%)
oklchoklch(0.567 0.097 216.4)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.19

Colors that go with #12849b

Charcoal, Copper and Crimson 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 →

#9b2912

#129b6e · #12409b

#9b1284 · #849b12

Split-complementary

Open in tool →

#9b1240 · #9b6e12

#6e129b · #9b2912 · #409b12

Contrast

#12849b as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #128097 as the text (4.6:1)
  • AAA: use #0d6172 as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.8:1passpassfail
  • AAA: use #16a4c0 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12849b as the background.

Brands using this color

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

Fonts for this mood

#12849b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12849b
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 #12849b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12849b-a2b6be-df4e7c-1f252d-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