Color

#2679df

#2679df
hex#2679df
rgbrgb(38, 121, 223)
hslhsl(213, 74%, 51%)
oklchoklch(0.583 0.174 256.2)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1941

Colors that go with #2679df

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df8b26

#26d5df · #2f26df

#df2679 · #79df26

Split-complementary

Open in tool →

#df2f26 · #d5df26

#df26d5 · #df8b26 · #26df2f

Contrast

#2679df as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #2074d9 as the text (4.6:1)
  • AAA: use #1957a4 as the text (7.14:1)
  • AA: or shift the background to #0d0d0d (4.52:1)
Aaon black
4.88:1passpassfail
  • AAA: use #5b9ae6 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 #2679df as the background.

Brands using this color

Fonts for this mood

#2679df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2679df
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 #2679df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2679df-9ca9c4-df584e-1f202d-e9f0f1?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