Color

#2a7fef

#2a7fef
hex#2a7fef
rgbrgb(42, 127, 239)
hslhsl(214, 86%, 55%)
oklchoklch(0.607 0.187 257.2)
Closest name: Azure (#007fff)Relative luminance 0.219

Colors that go with #2a7fef

Copper, Amber and Crimson 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 →

#ef992a

#2ae2ef · #372aef

#ef2a7f · #7fef2a

Split-complementary

Open in tool →

#ef372a · #e2ef2a

#ef2ae2 · #ef992a · #2aef37

Contrast

#2a7fef as textRatioAAAA largeAAAFix
Aaon white
3.9:1failpassfail
  • AA: use #1271ed as the text (4.55:1)
  • AAA: use #0d54af as the text (7.23:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.38:1passpassfail
  • AAA: use #5499f2 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a7fef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2a7fef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a7fef
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 #2a7fef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a7fef-9ca9c4-df5a4e-1f1f2d-e9f0f1?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