Color

#2291ec

#2291ec
hex#2291ec
rgbrgb(34, 145, 236)
hslhsl(207, 84%, 53%)
oklchoklch(0.643 0.165 249.2)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2665

Colors that go with #2291ec

Charcoal, Amber and Blue 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 →

#ec7d22

#22ece2 · #222dec

#ec2291 · #91ec22

Split-complementary

Open in tool →

#ec222d · #ece222

#e222ec · #ec7d22 · #2dec22

Contrast

#2291ec as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #1277ca as the text (4.65:1)
  • AAA: use #0d5b9b as the text (7.03:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.33:1passpassfail
  • AAA: use #359bed as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2291ec 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

#2291ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2291ec
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 #2291ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2291ec-9cadc4-df4e53-1f212d-e9f1f1?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