Color

#2875fb

#2875fb
hex#2875fb
rgbrgb(40, 117, 251)
hslhsl(218, 96%, 57%)
oklchoklch(0.595 0.214 260.8)
Closest name: Azure (#007fff)Relative luminance 0.2014

Colors that go with #2875fb

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 →

#fbad28

#28dffb · #4428fb

#fb2875 · #75fb28

Split-complementary

Open in tool →

#fb4428 · #dffb28

#fb28df · #fbad28 · #28fb44

Contrast

#2875fb as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #196cfa as the text (4.6:1)
  • AAA: use #044ecd as the text (7.06:1)
  • AA: or shift the background to #0f0f0f (4.59:1)
Aaon black
5.03:1passpassfail
  • AAA: use #5a95fc as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2875fb as the background.

Brands using this color

Fonts for this mood

#2875fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2875fb
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 #2875fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2875fb-9ca6c4-df644e-201f2d-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