Color

#2b75ee

#2b75ee
hex#2b75ee
rgbrgb(43, 117, 238)
hslhsl(217, 85%, 55%)
oklchoklch(0.586 0.197 260)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1941

Colors that go with #2b75ee

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 →

#eea32b

#2bd7ee · #412bee

#ee2b75 · #75ee2b

Split-complementary

Open in tool →

#ee412b · #d7ee2b

#ee2bd7 · #eea32b · #2bee41

Contrast

#2b75ee as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #216fed as the text (4.6:1)
  • AAA: use #0f52bd as the text (7.09:1)
  • AA: or shift the background to #0d0d0d (4.52:1)
Aaon black
4.88:1passpassfail
  • AAA: use #5f97f2 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b75ee as the background.

Brands using this color

Fonts for this mood

#2b75ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b75ee
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 #2b75ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b75ee-9ca7c4-df624e-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