Color

#12a2af

#12a2af
hex#12a2af
rgbrgb(18, 162, 175)
hslhsl(185, 81%, 38%)
oklchoklch(0.651 0.109 205.1)
Closest name: Baltic (#279d9f)Relative luminance 0.2906

Colors that go with #12a2af

Charcoal, Orange Red 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.

Real palettes that use #12a2af

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af1f12

#12af6e · #1254af

#af12a2 · #a2af12

Split-complementary

Open in tool →

#af1254 · #af6e12

#6e12af · #af1f12 · #54af12

Contrast

#12a2af as textRatioAAAA largeAAAFix
Aaon white
3.08:1failpassfail
  • AA: use #0f808a as the text (4.69:1)
  • AAA: use #0b626a as the text (7.07:1)
  • AA: or shift the background to #2b2b2b (4.59:1)
Aaon black
6.81:1passpassfail
  • AAA: use #13a7b4 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12a2af as the background.

Brands using this color

Fonts for this mood

#12a2af reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12a2af
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 #12a2af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12a2af-a2b8be-df4e88-1f262d-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