Color

#2e99e5

#2e99e5
hex#2e99e5
rgbrgb(46, 153, 229)
hslhsl(205, 78%, 54%)
oklchoklch(0.659 0.147 244.8)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2902

Colors that go with #2e99e5

Charcoal, Orange Red and Bronze 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 →

#e57a2e

#2ee5d6 · #2e3de5

#e52e99 · #99e52e

Split-complementary

Open in tool →

#e52e3d · #e5d62e

#d62ee5 · #e57a2e · #3de52e

Contrast

#2e99e5 as textRatioAAAA largeAAAFix
Aaon white
3.09:1failpassfail
  • AA: use #1879bf as the text (4.64:1)
  • AAA: use #125c91 as the text (7.08:1)
  • AA: or shift the background to #2b2b2b (4.59:1)
Aaon black
6.8:1passpassfail
  • AAA: use #379de6 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e99e5 as the background.

Brands using this color

Fonts for this mood

#2e99e5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e99e5
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 #2e99e5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e99e5-9cafc4-df4e58-1f212d-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