Color

#12646e

#12646e
hex#12646e
rgbrgb(18, 100, 110)
hslhsl(187, 72%, 25%)
oklchoklch(0.462 0.074 207.6)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1037

Colors that go with #12646e

Crimson, Steel Blue and 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 →

#6e1d12

#126e4a · #12356e

#6e1263 · #636e12

Split-complementary

Open in tool →

#6e1235 · #6e4a12

#4a126e · #6e1d12 · #356e12

Contrast

#12646e as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #115f69 as the text (7.33:1)
Aaon black
3.07:1failpassfail
  • AA: use #188391 as the text (4.69:1)
  • AAA: use #1ea6b8 as the text (7.2:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12646e as the background.

Brands using this color

Fonts for this mood

#12646e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12646e
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 #12646e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12646e-a2b8be-df4e83-1f262d-e9f1ee?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