Color

#279cce

#279cce
hex#279cce
rgbrgb(39, 156, 206)
hslhsl(198, 68%, 48%)
oklchoklch(0.653 0.123 232.3)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2866

Colors that go with #279cce

Charcoal, Orange Red and Amber 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 #279cce

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce5927

#27ceac · #2748ce

#ce279c · #9cce27

Split-complementary

Open in tool →

#ce2748 · #ceac27

#ac27ce · #ce5927 · #48ce27

Contrast

#279cce as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #207fa7 as the text (4.51:1)
  • AAA: use #185e7c as the text (7.16:1)
  • AA: or shift the background to #2b2b2b (4.54:1)
Aaon black
6.73:1passpassfail
  • AAA: use #29a2d6 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 #279cce 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

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

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

tool url/palettes/new/279cce-9cb3c4-df4e69-1f232d-e9f1f0?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