Color

#2b9fab

#2b9fab
hex#2b9fab
rgbrgb(43, 159, 171)
hslhsl(186, 60%, 42%)
oklchoklch(0.646 0.1 205.4)
Closest name: Baltic (#279d9f)Relative luminance 0.2825

Colors that go with #2b9fab

Charcoal, Orange Red and Copper 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 #2b9fab

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab382b

#2bab78 · #2b5eab

#ab2b9f · #9fab2b

Split-complementary

Open in tool →

#ab2b5e · #ab782b

#782bab · #ab382b · #5eab2b

Contrast

#2b9fab as textRatioAAAA largeAAAFix
Aaon white
3.16:1failpassfail
  • AA: use #23808b as the text (4.63:1)
  • AAA: use #1a5e66 as the text (7.4:1)
  • AA: or shift the background to #292929 (4.61:1)
Aaon black
6.65:1passpassfail
  • AAA: use #2da6b4 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b9fab 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

#2b9fab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b9fab
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 #2b9fab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b9fab-a2b8be-df4e86-1f262d-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