Color

#2e9bf5

#2e9bf5
hex#2e9bf5
rgbrgb(46, 155, 245)
hslhsl(207, 91%, 57%)
oklchoklch(0.673 0.164 248.5)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3062

Colors that go with #2e9bf5

Charcoal, Medium Sea Green and Tomato 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 →

#f5872e

#2ef5eb · #2e38f5

#f52e9b · #9bf52e

Split-complementary

Open in tool →

#f52e38 · #f5eb2e

#eb2ef5 · #f5872e · #38f52e

Contrast

#2e9bf5 as textRatioAAAA largeAAAFix
Aaon white
2.95:1failfailfail
  • AA: use #0a78d1 as the text (4.55:1)
  • AAA: use #07599c as the text (7.2:1)
  • AA: or shift the background to #2e2e2e (4.61:1)
  • AAA: or shift the background to #000000 (7.12:1)
Aaon black
7.12:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e9bf5 as the background.

Brands using this color

Fonts for this mood

#2e9bf5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e9bf5
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 #2e9bf5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e9bf5-9cadc4-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