Color

#279ab9

#279ab9
hex#279ab9
rgbrgb(39, 154, 185)
hslhsl(193, 65%, 44%)
oklchoklch(0.638 0.107 220.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2705

Colors that go with #279ab9

Charcoal, Amber 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.

Real palettes that use #279ab9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b94727

#27b990 · #2751b9

#b9279a · #9ab927

Split-complementary

Open in tool →

#b92751 · #b99027

#9027b9 · #b94727 · #51b927

Contrast

#279ab9 as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #207e97 as the text (4.67:1)
  • AAA: use #185e72 as the text (7.28:1)
  • AA: or shift the background to #262626 (4.62:1)
Aaon black
6.41:1passpassfail
  • AAA: use #2aa4c6 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #279ab9 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

#279ab9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #279ab9
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 #279ab9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/279ab9-a2b5be-df4e75-1f242d-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