Color

#2ab3e5

#2ab3e5
hex#2ab3e5
rgbrgb(42, 179, 229)
hslhsl(196, 78%, 53%)
oklchoklch(0.719 0.131 228.6)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.3839

Colors that go with #2ab3e5

Charcoal, Amber and Dark Orange 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 →

#e55c2a

#2ae5b9 · #2a55e5

#e52ab3 · #b3e52a

Split-complementary

Open in tool →

#e52a55 · #e5b92a

#b92ae5 · #e55c2a · #55e52a

Contrast

#2ab3e5 as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #147da3 as the text (4.67:1)
  • AAA: use #0f5e7b as the text (7.22:1)
  • AA: or shift the background to #3b3b3b (4.63:1)
  • AAA: or shift the background to #1c1c1c (7.04:1)
Aaon black
8.68:1passpasspassPasses 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 #2ab3e5 as the background.

Brands using this color

Fonts for this mood

#2ab3e5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2ab3e5
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 #2ab3e5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ab3e5-9cb5c4-df4e6e-1f232d-e9f1ef?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