Color

#2165ed

#2165ed
hex#2165ed
rgbrgb(33, 101, 237)
hslhsl(220, 85%, 53%)
oklchoklch(0.551 0.216 262.1)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1575

Colors that go with #2165ed

Charcoal, Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eda921

#21cbed · #4321ed

#ed2165 · #65ed21

Split-complementary

Open in tool →

#ed4321 · #cbed21

#ed21cb · #eda921 · #21ed43

Contrast

#2165ed as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #104dc6 as the text (7.24:1)
Aaon black
4.15:1failpassfail
  • AA: use #2f6fee as the text (4.63:1)
  • AAA: use #6896f3 as the text (7.25:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2165ed as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2165ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2165ed
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 #2165ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2165ed-9ca5c4-df694e-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