Color

#2491eb

#2491eb
hex#2491eb
rgbrgb(36, 145, 235)
hslhsl(207, 83%, 53%)
oklchoklch(0.643 0.164 249.2)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2662

Colors that go with #2491eb

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 →

#eb7d24

#24ebe1 · #242eeb

#eb2491 · #91eb24

Split-complementary

Open in tool →

#eb242e · #ebe124

#e124eb · #eb7d24 · #2eeb24

Contrast

#2491eb as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #1377c9 as the text (4.66:1)
  • AAA: use #0e5b9a as the text (7.04:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.32:1passpassfail
  • AAA: use #3b9ded as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2491eb 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

#2491eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2491eb
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 #2491eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2491eb-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