Color

#2a79ef

#2a79ef
hex#2a79ef
rgbrgb(42, 121, 239)
hslhsl(216, 86%, 55%)
oklchoklch(0.595 0.194 258.9)
Closest name: Azure (#007fff)Relative luminance 0.204

Colors that go with #2a79ef

Copper, Amber and Charcoal 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 →

#efa02a

#2adbef · #3d2aef

#ef2a79 · #79ef2a

Split-complementary

Open in tool →

#ef3d2a · #dbef2a

#ef2adb · #efa02a · #2aef3d

Contrast

#2a79ef as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #1b70ee as the text (4.57:1)
  • AAA: use #0e52b9 as the text (7.18:1)
  • AA: or shift the background to #121212 (4.53:1)
Aaon black
5.08:1passpassfail
  • AAA: use #5996f3 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a79ef 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

#2a79ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a79ef
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 #2a79ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a79ef-9ca7c4-df5f4e-201f2d-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