Color

#2196e4

#2196e4
hex#2196e4
rgbrgb(33, 150, 228)
hslhsl(204, 78%, 51%)
oklchoklch(0.649 0.152 244.6)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2774

Colors that go with #2196e4

Charcoal, Orange Red 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 →

#e46f21

#21e4d0 · #2134e4

#e42196 · #96e421

Split-complementary

Open in tool →

#e42134 · #e4d021

#d021e4 · #e46f21 · #34e421

Contrast

#2196e4 as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #1779ba as the text (4.69:1)
  • AAA: use #115b8d as the text (7.23:1)
  • AA: or shift the background to #292929 (4.54:1)
Aaon black
6.55:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2196e4 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2196e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2196e4
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 #2196e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2196e4-9cafc4-df4e5a-1f222d-e9f1f0?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