Color

#2b73f7

#2b73f7
hex#2b73f7
rgbrgb(43, 115, 247)
hslhsl(219, 93%, 57%)
oklchoklch(0.589 0.21 261.3)
Closest name: Azure (#007fff)Relative luminance 0.1949

Colors that go with #2b73f7

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 →

#f7b02b

#2bd9f7 · #4a2bf7

#f72b73 · #73f72b

Split-complementary

Open in tool →

#f74a2b · #d9f72b

#f72bd9 · #f7b02b · #2bf74a

Contrast

#2b73f7 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #226cf7 as the text (4.61:1)
  • AAA: use #074dcf as the text (7.07:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.9:1passpassfail
  • AAA: use #5d93f9 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b73f7 as the background.

Brands using this color

Fonts for this mood

#2b73f7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b73f7
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 #2b73f7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b73f7-9ca5c4-df664e-211f2d-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